Sample bottle fixing device

Abstract

The utility model discloses a sample bottle fixing device which comprises a supporting frame and a fixing mechanism, and the supporting frame is provided with a placing hole; the fixing mechanism comprises an annular part and a positioning part arranged on the annular part, the annular part is arranged on the supporting frame and surrounds the center of the placing hole, the positioning part is arranged on the inner side of the annular part in a protruding mode, and the positioning part is suitable for abutting against the peripheral wall of the sample bottle when the sample bottle is inserted into the placing hole so that the sample bottle can be fixed in a suspended mode, and a gap is formed between the annular part and the sample bottle; the gap and the positioning part are arranged in the circumferential direction of the annular part. According to the sample bottle fixing device in the technical scheme, the sample bottle can be suspended and fixed by arranging the fixing mechanism, the bottom of the sample bottle is prevented from touching an ultrasonic instrument during ultrasonic operation, the test requirement is met, a gap is formed between the sample bottle and the annular part when the sample bottle is fixed, and the test efficiency is improved. And the gap and the positioning part are arranged along the circumferential direction of the annular part, so that the contacted area of the sample bottle can be reduced, and the sample bottle can be conveniently taken and placed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chemical analysis instruments, in particular to a sample bottle fixing device. BACKGROUND

[0002] When a sample bottle is loaded with a sample for ultrasonic testing, the sample bottle needs to be placed in a hole of a bottle rack, and the bottle rack is placed on an ultrasonic instrument. In the related art, the bottle rack can only simply limit the position of the sample bottle, and the bottom of the sample bottle can contact the ultrasonic instrument, which can easily affect the test result. CONTENT OF THE UTILITY MODEL

[0003] The present application aims to at least solve one of the technical problems in the related art. To this end, the present application provides a sample bottle fixing device.

[0004] To achieve the above-mentioned purpose, the present application discloses a sample bottle fixing device, which comprises:

[0005] a support frame provided with a placing hole; and

[0006] a fixing mechanism, the fixing mechanism comprises an annular portion and a positioning portion provided on the annular portion, the annular portion is provided on the support frame and surrounds the center of the placing hole, the positioning portion is protruded on the inner side of the annular portion, the positioning portion is adapted to abut against the peripheral wall of the sample bottle when the sample bottle is inserted into the placing hole, so as to suspendably fix the sample bottle, and a gap is formed between the annular portion and the sample bottle, and the gap and the positioning portion are arranged along the circumferential direction of the annular portion.

[0007] In some embodiments of the present application, the number of the positioning portions is multiple, and the multiple positioning portions are arranged at intervals along the circumferential direction of the annular portion.

[0008] In some embodiments of the present application, the multiple positioning portions are equidistantly arranged along the circumferential direction of the annular portion.

[0009] In some embodiments of the present application, the number of the positioning portions is four.

[0010] In some embodiments of the present application, at least one of the annular portion and the positioning portion is adapted to elastically deform when the sample bottle is inserted into the placing hole.

[0011] In some embodiments of the present application, the minimum distance between the positioning portion and the center of the annular portion is L1, and the diameter of the sample bottle is L2, and L1*2≤L2≤L1*2+2mm is satisfied.

[0012] In some embodiments of the present application, along the axial direction of the annular portion, the thickness of the positioning portion is smaller than the thickness of the annular portion.

[0013] In some embodiments of the present application, the thickness of the positioning portion along the axial direction of the annular portion is 0.1 to 0.5 times the thickness of the annular portion.

[0014] In some embodiments of the present application, the central angle corresponding to the positioning portion is 10° to 40°.

[0015] In some embodiments of the present application, the positioning portion and the annular portion are integrally formed.

[0016] In some embodiments of the present application, the positioning portion and the annular portion are made of the same material.

[0017] In some embodiments of the present application, the annular portion is a rubber ring or a silica gel ring.

[0018] In some embodiments of the present application, the annular portion and the support frame are detachably connected.

[0019] In some embodiments of the present application, the annular portion is adapted to elastically deform and is provided with a groove extending along the circumferential direction thereof, the groove being open away from the center of the annular portion, and the annular portion is adapted to be clamped into the periphery of the placing hole through the groove.

[0020] In some embodiments of the present application, the height of the support frame is greater than the height of the sample bottle.

[0021] In some embodiments of the present application, the support frame is made of acrylic material.

[0022] In some embodiments of the present application, the support frame comprises a top plate, a bottom plate, a first side plate and a second side plate, the first side plate connects one side of the top plate and one side of the bottom plate, the second side plate is opposite to the first side plate, and the second side plate connects the other side of the top plate and the other side of the bottom plate, and the top plate is provided with the placing hole.

[0023] In some embodiments of the present application, the number of the placing holes is multiple.

[0024] The sample bottle fixing device in the technical scheme of the present application can realize the suspension fixing of the sample bottle through the fixing mechanism, avoid the bottom of the sample bottle from touching the ultrasonic instrument during the ultrasonic operation, meet the testing requirements, and form a gap between the sample bottle and the annular portion when the sample bottle is fixed, and the gap and the positioning portion are arranged along the circumferential direction of the annular portion, so as to reduce the area of the sample bottle contacted, which is beneficial to the taking and placing of the sample bottle.

[0025] Other advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some of the embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative effort based on these drawings also belong to the protection scope of the present application.

[0027] Figure 1 A schematic view of a sample bottle fixing device in some embodiments;

[0028] Figure 2 A sectional view (partly) of a sample bottle fixing in a sample bottle fixing device in some embodiments;

[0029] Figure 3 A top view (partly) of a sample bottle fixing in a sample bottle fixing device in some embodiments;

[0030] Figure 4 A schematic view of a support frame in some embodiments;

[0031] Figure 5 A top view of a fixing mechanism in some embodiments;

[0032] Figure 6 A sectional view of a fixing mechanism in some embodiments.

[0033] Explanation of the reference signs:

[0034] Support frame 1000, top plate 1100, placing hole 1110, bottom plate 1200, first side plate 1300, second side plate 1400, fixing mechanism 2000, annular part 2100, groove 2110, positioning part 2200, gap 2300, sample bottle 3000.

[0035] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort also belong to the protection scope of the present application.

[0037] It should be noted that all directional indications, such as upper, lower, left, right, front, back, under, over, upward, downward, etc., are intended to facilitate the description of the relative position and movement of various components in a particular attitude (as shown in the drawings), and if the particular attitude changes, the directional indications will also change accordingly.

[0038] In the present application, unless specifically defined and limited otherwise, the terms "connect", "fixed" and the like should be interpreted broadly, for example, "fixed" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection claimed in the present application.

[0040] The present application discloses a sample bottle fixing device, which is combined with Figures 1 to 4 As shown in the drawings, in some embodiments, the sample bottle fixing device comprises a support frame 1000 and a fixing mechanism 2000, the support frame 1000 is provided with a placing hole 1110, the fixing mechanism 2000 comprises a ring-shaped part 2100 and a positioning part 2200, the ring-shaped part 2100 is arranged on the support frame 1000 and surrounds the center of the placing hole 1110, the positioning part 2200 is arranged on the ring-shaped part 2100 and protrudes from the inner side of the ring-shaped part 2100, the positioning part 2200 is used to abut the peripheral wall of the sample bottle 3000 when the sample bottle 3000 is inserted into the placing hole 1110, so as to suspend and fix the sample bottle 3000, and a gap 2300 is formed between the ring-shaped part 2100 and the sample bottle 3000, the gap 2300 and the positioning part 2200 are arranged along the circumferential direction of the ring-shaped part 2100.

[0041] The sample bottle fixing device of the embodiment can realize the suspension fixing of the sample bottle 3000 by setting the fixing mechanism 2000, avoid the bottom of the sample bottle 3000 from touching the ultrasonic instrument during the ultrasonic operation, meet the testing requirements, and form a gap 2300 between the sample bottle 3000 and the annular part 2100 when the sample bottle 3000 is fixed. The gap 2300 and the positioning part 2200 are arranged along the circumference of the annular part 2100, so as to reduce the contact area of the sample bottle 3000 and facilitate the taking and placing of the sample bottle 3000.

[0042] Specifically, the support frame 1000 is the skeleton structure of the sample bottle fixing device, used for supporting the sample bottle 3000. The specific shape structure of the support frame 1000 can be various, as long as it can be stably placed on the support plane. In the embodiment, it is not limited. The support frame 1000 is provided with a placing hole 1110 for inserting the sample bottle 3000. The number of the placing hole 1110 can be one, two, three, four or more, which can be set according to the actual requirements. During the ultrasonic testing, the sample bottle 3000 is inserted into the placing hole 1110. In order to meet the testing requirements, it is not desirable that the bottom of the sample bottle 3000 is touched (such as the bottom of the sample bottle 3000 touching the support frame 1000 or the ultrasonic tester). Therefore, the embodiment realizes the suspension fixing of the sample bottle 3000 by setting the fixing mechanism 2000. The so-called suspension fixing means that the bottom of the sample bottle 3000 is not touched after the sample bottle 3000 is fixed to the sample bottle fixing device.

[0043] The fixing mechanism 2000 comprises a ring-shaped portion 2100 and a positioning portion 2200. The ring-shaped portion 2100 is arranged on the support frame 1000 and is fixed on the support frame 1000. When the ring-shaped portion 2100 is fixed on the support frame 1000, the ring-shaped portion 2100 surrounds the center of the placing hole 1110. Thus, when the sample bottle 3000 is inserted into the placing hole 1110, the sample bottle 3000 passes through the ring-shaped portion 2100. The positioning portion 2200 is arranged on the ring-shaped portion 2100 and protrudes inwardly from the ring-shaped portion 2100. In other words, when the positioning portion 2200 is projected along the axial direction of the ring-shaped portion 2100, at least a part of the projection of the positioning portion 2200 is located within the range surrounded by the ring-shaped portion 2100. When the sample bottle 3000 is inserted into the placing hole 1110, the positioning portion 2200 abuts against the peripheral wall of the sample bottle 3000. The peripheral wall of the sample bottle 3000 is understood as follows. The top of the sample bottle 3000 has an opening. The part between the top and the bottom of the sample bottle 3000 is the peripheral wall. Thus, the positioning portion 2200 applies a force to the sample bottle 3000, including but not limited to a squeezing force (in a direction perpendicular to the peripheral wall of the sample bottle 3000 and towards the inside of the sample bottle 3000) and a friction force (in a direction parallel to the peripheral wall of the sample bottle 3000 and opposite to the direction of gravity). Thus, the sample bottle 3000 is fixed in a suspended manner, for example, with a suspended height greater than 1 cm. The bottom of the sample bottle 3000 is not in contact with the support, which meets the testing requirements.

[0044] It can be understood that, if the positioning portion 2200 is not arranged and the ring-shaped portion 2100 abuts against the peripheral wall of the sample bottle 3000, the sample bottle 3000 can also be fixed in a suspended manner. However, the sample bottle 3000 and the ring-shaped portion 2100 have a large contact area, which makes it difficult to take and place the sample bottle 3000. In the present embodiment, since the positioning portion 2200 protrudes inwardly from the ring-shaped portion 2100 and a gap 2300 is formed between the ring-shaped portion 2100 and the sample bottle 3000 when the sample bottle 3000 is inserted into the placing hole 1110, the gap 2300 and the positioning portion 2200 are arranged along the circumferential direction of the ring-shaped portion 2100. Thus, the area of the sample bottle 3000 that is contacted (compared with the case where the sample bottle 3000 is contacted in a whole circle) can be reduced. A relatively small contact area is conducive to taking and placing the sample bottle 3000 under the premise of ensuring that the sample bottle 3000 is fixed in a suspended manner, and reduces the difficulty of taking and placing the sample bottle 3000.

[0045] In combination with Figures 1 to 4As shown, the number of positioning portions 2200 is multiple, and the multiple positioning portions 2200 are arranged at intervals along the circumference of the annular portion 2100. Multiple means two or more, for example, two, three, four or five, and the multiple positioning portions 2200 are arranged at intervals along the circumference of the annular portion 2100, which is beneficial to the sample bottle 3000 being in a vertical state when fixed, so that the fixing of the sample bottle 3000 is more stable. Optionally, the multiple positioning portions 2200 are arranged at equal intervals along the circumference of the annular portion 2100, which further improves the fixing effect of the sample bottle 3000 on the premise of ensuring that the sample bottle 3000 is easy to take and place, for example, the number of positioning portions 2200 is four, and the four positioning portions 2200 are arranged at equal intervals along the circumference of the annular portion 2100 at an interval of 90°.

[0046] In some embodiments, at least one of the annular portion 2100 and the positioning portion 2200 is adapted to elastically deform when the sample bottle 3000 is inserted into the accommodation hole 1110, that is, at least one of the annular portion 2100 and the positioning portion 2200 is adapted to elastically deform, and in the process that the sample bottle 3000 is inserted into the accommodation hole 1110 and abuts against the positioning portion 2200, the sample bottle 3000 forces at least one of the annular portion 2100 and the positioning portion 2200 to elastically deform, which can be that the annular portion 2100 can elastically deform and the positioning portion 2200 cannot elastically deform, or that the annular portion 2100 cannot elastically deform and the positioning portion 2200 can elastically deform, or that both the annular portion 2100 and the positioning portion 2200 can elastically deform. By such a design, when the sample bottle 3000 is inserted into the preset position, at least one of the annular portion 2100 and the positioning portion 2200 is in elastic deformation to generate a force on the peripheral wall of the sample bottle 3000, so as to suspend and fix the sample bottle 3000, which is more convenient to operate and improves the efficiency of taking and placing the sample bottle 3000.

[0047] In the case that at least one of the annular portion 2100 and the positioning portion 2200 is adapted to elastically deform, the minimum distance between the center of the positioning portion 2200 and the annular portion 2100 is L1, and the diameter of the sample bottle 3000 is L2, which satisfies L1*2≤L2≤L1*2+2mm. By such a design, at least one of the annular portion 2100 and the positioning portion 2200 can be forced to elastically deform to generate a force on the sample bottle 3000 to achieve the suspension and fixation of the sample bottle 3000, and the generation of excessive force is avoided to affect the taking and placing of the sample bottle 3000.

[0048] In some embodiments, in the axial direction of the annular portion 2100, the thickness of the positioning portion 2200 is less than the thickness of the annular portion 2100, as shown in Figure 5 and Figure 6As shown, the thickness of the annular portion 2100 is T1, and the thickness of the positioning portion 2200 is T2, T1>T2. Optionally, along the axial direction of the annular portion 2100, the thickness of the positioning portion 2200 is 0.1-0.5 times the thickness of the annular portion 2100, for example, the thickness of the positioning portion 2200 is 0.1, 0.2, 0.3, 0.4, or 0.5 times the thickness of the annular portion 2100. By so doing, the contact area with the sample bottle 3000 can be further reduced relative to the case where the thickness of the positioning portion 2200 and the thickness of the annular portion 2100 are the same, and the positioning portion 2200 is more likely to deform under the premise that the positioning portion 2200 can elastically deform, so that the force exerted on the sample bottle 3000 is moderate, further optimizing the fixing effect and the picking and placing effect of the sample bottle 3000.

[0049] In some embodiments, the central angle of the positioning portion 2200 is 10-40°, as shown in FIG. 2B. Figure 3 and Figure 5 As shown, the central angle of the positioning portion 2200 is a, a is 10°, 15°, 20°, 30°, or 40°. By so doing, the contact area of the sample bottle 3000 and the positioning portion 2200 can be controlled to avoid excessive contact area, while ensuring that the positioning portion 2200 is easy to deform to facilitate the smooth picking and placing of the sample bottle 3000, further optimizing the picking and placing effect of the sample bottle 3000.

[0050] The annular portion 2100 and the positioning portion 2200 can be two separate components connected together by bonding, clamping, or other connection means. This approach can achieve the combination of the annular portion 2100 and the positioning portion 2200, but also has problems such as assembly trouble (relatively speaking), high cost (in pairs), etc. Therefore, in some embodiments, the positioning portion 2200 and the annular portion 2100 are integrally formed. This is more conducive to the manufacture of the positioning portion 2200 and the annular portion 2100, and the combination strength of the positioning portion 2200 and the annular portion 2100 is higher. After the annular portion 2100 is installed to the support frame 1000, the installation of the positioning portion 2200 can be achieved. Since either the positioning portion 2200 or the annular portion 2100 can elastically deform, by integrally forming the positioning portion 2200 and the annular portion 2100, the positioning portion 2200 and the annular portion 2100 are not prone to cracking. Also, since the sample bottle fixing device needs to be used multiple times, this is conducive to prolonging the service life.

[0051] Optionally, the positioning portion 2200 and the annular portion 2100 are made of the same material, which is conducive to the one-piece forming of the positioning portion 2200 and the annular portion 2100. Since at least one of the positioning portion 2200 and the annular portion 2100 can elastically deform, when the positioning portion 2200 and the annular portion 2100 are made of the same material, both the positioning portion 2200 and the annular portion 2100 can elastically deform. For example, the positioning portion 2200 and the annular portion 2100 are made of rubber or made of silica gel, so that the annular portion 2100 forms a rubber ring or a silica gel ring, which further optimizes the friction force applied by the positioning portion 2200 and improves the fixing effect and the taking and placing effect of the sample bottle 3000.

[0052] In combination with Figure 1 , Figure 2 , Figure 5 and Figure 6 , in some embodiments, the annular portion 2100 and the support frame 1000 are detachably connected, which facilitates replacement when the fixing mechanism 2000 is damaged.

[0053] Optionally, the annular portion 2100 is adapted to elastically deform and is provided with a groove 2110 extending along the circumference thereof. For example, the annular portion 2100 is a rubber ring, and the groove 2110 is open away from the center of the annular portion 2100. Since the annular portion 2100 can elastically deform, when the annular portion 2100 is installed, the annular portion 2100 is deformed to align the groove 2110 with the periphery of the accommodation hole 1110 so as to be clamped in, thereby achieving the installation of the annular portion 2100. Through such an arrangement, the fixation of the annular portion 2100 can be achieved, and the annular portion 2100 can be conveniently detached and replaced.

[0054] In some embodiments, the height of the support frame 1000 is greater than the height of the sample bottle 3000. Referring to Figure 2 and Figure 6 , the height of the support frame 1000 is H1, and the height of the sample bottle 3000 is H2. Since the sample bottle 3000 needs to be inserted into the accommodation hole 1110 and finally suspended and fixed, that is, a part of the sample bottle 3000 is located above the accommodation hole 1110, and another part is located below the accommodation hole 1110. By H1>H2, when the sample bottle 3000 is fixed on the support frame 1000, the center of gravity is as low as possible, so that the support stability of the support frame 1000 is better.

[0055] In combination with Figure 1 and Figure 4As shown, in some embodiments, the support frame 1000 comprises a top plate 1100, a bottom plate 1200, a first side plate 1300 connected to one side of the top plate 1100 and one side of the bottom plate 1200, and a second side plate 1400 opposite to the first side plate 1300 and connected to the other side of the top plate 1100 and the other side of the bottom plate 1200, and the top plate 1100 is provided with the placement hole 1110. Thus, the support frame 1000 forms a substantially cuboid structure, and the bottom plate 1200 has a larger contact area, which can effectively improve the stability of the support frame 1000. Figure 4 As shown in the orientation, the first side plate 1300 is located on the left side, the second side plate 1400 is located on the right side, and the front and back of the support frame 1000 are open. When performing ultrasonic operation (a certain amount of water is injected into the ultrasonic instrument), the water can enter the inside of the support frame 1000 due to the open front and back of the support frame 1000, thus reducing the influence of the buoyancy of the water on the support frame 1000.

[0056] Optionally, the support frame 1000 is made of acrylic material. The acrylic material is relatively hard, which lays a foundation for the overall support stability of the support frame 1000. At the same time, the acrylic material is transparent, which is convenient for observing the position of the sample bottle 3000, and the acrylic material does not rust, which is suitable for ultrasonic operation in water. Compared with other rigid materials such as metal (which needs to be rust-proof), the acrylic material is more conducive to cost saving.

[0057] The above description is only the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation based on the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A sample bottle holding device characterized by comprising: The support frame (1000) is provided with a placing hole (1110); and The fixing mechanism (2000) comprises an annular portion (2100) and a positioning portion (2200) provided on the annular portion (2100), the annular portion (2100) is provided on the support frame (1000) and surrounds the center of the placing hole (1110), the positioning portion (2200) is protruded on the inner side of the annular portion (2100), the positioning portion (2200) is adapted to abut against the peripheral wall of the sample bottle (3000) when the sample bottle (3000) is inserted into the placing hole (1110), so as to suspendably fix the sample bottle (3000) and form a gap (2300) between the annular portion (2100) and the sample bottle (3000), the gap (2300) and the positioning portion (2200) are arranged along the circumference of the annular portion (2100). The number of the positioning portions (2200) is multiple, and the multiple positioning portions (2200) are arranged at intervals along the circumference of the annular portion (2100). The multiple positioning portions (2200) are arranged at equal intervals along the circumference of the annular portion (2100).

2. The sample bottle holder of claim 1, wherein The number of the positioning portions (2200) is four.

3. The sample bottle holder of claim 2, wherein At least one of the annular portion (2100) and the positioning portion (2200) is adapted to elastically deform when the sample bottle (3000) is inserted into the placing hole (1110). The minimum distance between the center of the positioning portion (2200) and the annular portion (2100) is L1, the diameter of the sample bottle (3000) is L2, and L1*2≤L2≤L1*2+2mm is satisfied.

4. The sample bottle holder according to any one of claims 1 to 3, wherein The thickness of the positioning portion (2200) is 0.1-0.5 times the thickness of the annular portion (2100) along the axial direction of the annular portion (2100).

5. The sample bottle holder of claim 4, wherein The central angle corresponding to the positioning portion (2200) is 10-40°.

6. The sample bottle holder of claim 4, wherein The annular portion (2100) and the support frame (1000) are detachably connected.

7. The sample bottle holder of claim 4, wherein The annular portion (2100) is adapted to elastically deform and is provided with a groove (2110) extending along the circumference thereof, the groove (2110) is open away from the center of the annular portion (2100), and the annular portion (2100) is adapted to be clamped into the periphery of the placing hole (1110) through the groove (2110).

8. The sample bottle holder of claim 1, wherein The height of the support frame (1000) is greater than the height of the sample bottle (3000). The support frame (1000) is made of acrylic material.

9. The sample bottle holder of claim 1, wherein ​ 10. The sample bottle holder of claim 1, wherein ​ And / or, the support frame (1000) comprises a top plate (1100), a bottom plate (1200), a first side plate (1300) and a second side plate (1400), the first side plate (1300) connects one side of the top plate (1100) and one side of the bottom plate (1200), the second side plate (1400) is opposite to the first side plate (1300), and the second side plate (1400) connects the other side of the top plate (1100) and the other side of the bottom plate (1200), and the top plate (1100) is provided with the mounting hole (1110); And / or, the number of the mounting hole (1110) is multiple.

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