Scraper for grease laboratory

Abstract

The utility model discloses a spatula for a grease laboratory, which comprises a shell, a central rod and a scraper, the shell is arranged on the periphery of the central rod, the scraper is arranged at the tail end of the central rod, an extension adjusting assembly is arranged in the shell, the extension adjusting assembly comprises a resistance clamping sleeve, an extension connecting rod and an elastic connecting piece, and the resistance clamping sleeve is connected with the extension connecting rod. The resistance clamping sleeve is connected to the center rod in a sliding mode, the elastic connecting piece is arranged between the scraper and the center rod, one end of the stretching connecting rod is hinged to the resistance clamping sleeve, and the other end of the stretching connecting rod is connected to the elastic connecting piece. The resistance clamping sleeve slides along the center rod and can drive the stretching connecting rod to be unfolded or folded in the radial direction of the center rod, and the stretching connecting rod can drive the elastic connecting piece to be elastically stretched or elastically compressed when unfolded or folded. The adjustable scraper structure is arranged and can adapt to different container inner diameters, residual grease is fully scraped, and the experiment efficiency and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental instrument technical field, especially a scrape spoon for oil laboratory. BACKGROUND

[0002] In the daily work of oil laboratory, sample preparation is a very key basic link, and its accuracy and high efficiency are directly related to the reliability and scientificity of subsequent experimental data.

[0003] The conventional scrape spoon is mostly simple stainless steel or plastic material, the scoop body shape is single, and is basically a conventional flat or semispherical shape. In the oil sample preparation process, oil has high viscosity, and the ordinary scrape spoon cannot smoothly scrape the oil attached to the container wall, a large amount of sample is often left on the container wall, which causes incomplete sample transfer, causes experimental material waste, and the subsequent container cleaning is also more cumbersome, which increases the experimental preparation time.

[0004] Therefore, the utility model provides a new technical scheme to solve the existing technical problems. UTILITY MODEL CONTENT

[0005] In order to overcome the insufficient of prior art, the utility model provides a scrape spoon for oil laboratory, which solves the problems of high residual rate and poor adaptability of the existing scrape spoon.

[0006] The utility model solves the technical problems by adopting the following technical scheme:

[0007] A scrape spoon for oil laboratory, comprising a shell, a center rod and a scraper, the shell is installed on the outer periphery of the center rod, the scraper is arranged at the end of the center rod, a stretching adjusting assembly is arranged in the shell, the stretching adjusting assembly comprises a resistance sleeve, a stretching connecting rod and an elastic connecting piece, the resistance sleeve is slidingly connected to the center rod, the elastic connecting piece is arranged between the scraper and the center rod, one end of the stretching connecting rod is hinged to the resistance sleeve, and the other end is connected to the elastic connecting piece, the resistance sleeve sliding along the center rod can drive the stretching connecting rod to expand or contract radially along the center rod, and the stretching connecting rod expanding or contracting can drive the elastic connecting piece to elastically stretch or compress.

[0008] In the above structure, the stretching adjusting assembly further comprises a resistance buckle, the resistance buckle is fixedly sleeved on the center rod, the resistance sleeve is slidingly sleeved on the outer periphery of the resistance buckle, elastic clamping teeth are arranged on the resistance buckle, a plurality of clamping holes are uniformly formed in the resistance sleeve along the sliding direction, and the elastic clamping teeth can be clamped with the clamping holes.

[0009] In the above structure, the elastic clamping tooth is a spring with a spherical segment structure at the top end.

[0010] In the above structure, a driving spring is arranged in the shell to drive the sliding of the resistance sleeve, a driving button is arranged at the end of the shell away from the scraper, one end of the driving spring is connected to the driving button, and the other end is fixedly connected to the resistance sleeve.

[0011] In the above structure, the elastic connecting piece is a telescopic spring, one end of the telescopic spring is fixedly connected to the central rod, and the other end is fixedly connected to the scraper.

[0012] The resistance sleeve is provided with a plurality of extension connecting rods on the side facing the scraper, and the ends of the plurality of extension connecting rods away from the resistance sleeve are uniformly arranged in the elastic force direction of the telescopic spring.

[0013] In the above structure, two scrapers are arranged on both sides of the central rod, and a telescopic spring is arranged between each of the scrapers and the central rod.

[0014] In the above structure, the central rod is a hollow rod structure, and a temperature display is arranged in the central rod.

[0015] In the above structure, the scraper has an arc flat structure at the edge.

[0016] In the above structure, the scraper edge is provided with a sawtooth.

[0017] In the above structure, the surface of the shell is provided with anti-skid lines, and a handle is integrally formed at the top front end of the shell.

[0018] The grease laboratory scraper has the advantages that the stretching adjusting assembly and the scraper are arranged to cooperate with each other, the scraper can be unfolded and folded by sliding the resistance sleeve, the unfolded width of the scraper can be adjusted according to the size of the container, the grease sample on the container wall can be fully scraped, and the scraping efficiency is improved; the scraper is connected to the central rod through the elastic connecting piece, the elastic connecting piece can also play a buffering role when the scraper acts on the container wall, the adaptability of the scraper is enhanced, and the possibility of damage to the container wall by the scraper is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further described below in combination with the drawings and examples.

[0020] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0021] Fig. 2is the connecting structure schematic view of the stretching adjusting assembly and the scraper of the utility model.

[0022] Fig. 3 is the mounting structure schematic view of the resistance buckle and the resistance sleeve of the utility model.

[0023] Reference signs: 1, center pole;2, shell;21, handle;22, drive button;3, scraper;4, stretching adjusting assembly;41, resistance sleeve;411, bayonet;42, resistance buckle;421, elastic tooth;43, telescopic spring;44, stretching connecting rod;5, drive spring;6, temperature display. DETAILED DESCRIPTION

[0024] The utility model discloses a stretching adjusting assembly and the scraper of the connecting structure schematic view of the utility model. Figs. 1-3 The utility model discloses a stretching adjusting assembly and the scraper of the connecting structure schematic view of the utility model.

[0025] The utility model discloses a stretching adjusting assembly and the scraper of the connecting structure schematic view of the utility model.

[0026] Refer to Figs. 1 to 3The technical scheme discloses an oil laboratory spatula, which is applied to edible oil experiment process, and is used for stirring, mixing, separating and other operations on oil sample, and comprises a shell 2, a center rod 1 and a scraper 3, the shell 2 is installed on the outer periphery of the center rod 1, the scraper 3 is arranged at the end of the center rod 1 and can be radially close to or away from the center rod 1 along the center rod 1, an extension adjusting assembly 4 is arranged in the shell 2, the extension adjusting assembly 4 comprises a resistance sleeve 41, an extension connecting rod 44 and an elastic connecting piece, wherein the elastic connecting piece is arranged between the scraper 3 and the center rod 1 and is used for connecting the scraper 3 and the center rod 1, when the elastic connecting piece is elastically compressed, the scraper 3 is radially folded to the center rod 1 along the center rod 1, when the elastic connecting piece is elastically stretched, the scraper 3 is radially unfolded outward along the center rod 1, the unfolded width of the scraper 3 is controlled by controlling the compression or stretching distance of the elastic connecting piece, so that the spatula can be suitable for containers with different inner diameters. The resistance sleeve 41 is slidably arranged on the center rod 1, one end of the extension connecting rod 44 is hinged to the resistance sleeve 41, and the other end is connected to the elastic connecting piece, the resistance sleeve 41 slides up and down along the center rod 1, so that the end of the extension connecting rod 44 connected to the elastic connecting piece is radially folded or unfolded along the center rod 1, when the extension connecting rod 44 is radially unfolded along the center rod 1, the elastic connecting piece is elastically stretched, and then the action that the scraper 3 is radially unfolded outward along the center rod 1 is realized; when the extension connecting rod 44 is radially folded along the center rod 1, the elastic connecting piece is elastically contracted, and then the action that the scraper 3 is radially contracted inward along the center rod 1 is realized. In the use process, the scraper 3 can be fully contacted with the container wall by setting a suitable width, so that the oil sample on the container wall is scraped off, which is beneficial to completely transfer the sample and improve the operation efficiency.

[0027] Further, the extension adjusting assembly 4 further comprises a resistance buckle 42, the resistance buckle 42 is fixedly sleeved on the center rod 1, and the resistance sleeve 41 is slidably sleeved on the outer periphery of the resistance buckle 42, wherein the resistance sleeve 41 can be arranged to be wholly or partially located in the shell 2, that is, the resistance sleeve 41 can be arranged in a form that part of the resistance sleeve 41 can be extended out of the shell 2 in the sliding process. The resistance buckle 42 is provided with elastic clamping teeth 421, and the resistance sleeve 41 is uniformly provided with a plurality of clamping holes 411 in the sliding direction, the elastic clamping teeth 421 can be clamped with any clamping hole 411, and specifically, the elastic clamping teeth 421 are arranged in the form of elastic sheets with ball-shaped structures at the top ends. In use, the resistance sleeve 41 is slid to adjust the unfolded width of the scraper 3 to a suitable position, so that the elastic clamping teeth 421 are clamped in the corresponding clamping hole 411, that is, the fixation of the resistance sleeve 41 can be realized. When an axial upward / downward force is applied to the resistance sleeve 41 along the center rod 1, the elastic clamping teeth 421 are extruded by the edges of the clamping holes 411, and due to the elasticity of the elastic sheet structure, a certain deformation occurs in the direction of being separated from the clamping hole 411 until the elastic clamping teeth 421 are separated from the clamping hole 411, that is, the sliding of the resistance sleeve 41 can be realized. The resistance buckle 42 is used in cooperation with the resistance sleeve 41, so that the unfolded width of the scraper 3 can be fixed at a required size, and the operation is facilitated.

[0028] With reference to Fig. 2 And Fig. 3 Further, the housing 2 is provided with a driving spring 5 for driving the sliding of the resistance sleeve 41, the driving spring 5 is sleeved on the outer periphery of the center rod 1, the housing 2 is slidably provided with a driving button 22 away from the scraper 3, one end of the driving spring 5 is fixedly connected with the driving button 22, and the other end is fixedly connected to the resistance sleeve 41. When the downward force along the center rod 1 is applied to the driving button 22, the driving spring 5 has elastic potential to push the resistance sleeve 41 to move downward to adjust the relative position of the resistance sleeve 41 and the resistance buckle 42. When the elastic clamping tooth 421 is clamped into the appropriate clamping hole 411, the force applied to the driving button 22 can be gradually removed; when it is needed to make the elastic clamping tooth 421 and the clamping hole 411 disengage, the driving button 22 is pressed downward again, so that the elastic clamping tooth 421 and the clamping hole 411 are disengaged, and then the force applied to the driving button 22 is removed instantaneously. The resistance sleeve 41 returns to the initial position under the pulling of the driving spring 5.

[0029] Further, the housing 2 is provided with a driving spring 5 for driving the sliding of the resistance sleeve 41, the driving spring 5 is sleeved on the outer periphery of the center rod 1, the housing 2 is slidably provided with a driving button 22 away from the scraper 3, one end of the driving spring 5 is fixedly connected with the driving button 22, and the other end is fixedly connected to the resistance sleeve 41. When the downward force along the center rod 1 is applied to the driving button 22, the driving spring 5 has elastic potential to push the resistance sleeve 41 to move downward to adjust the relative position of the resistance sleeve 41 and the resistance buckle 42. When the elastic clamping tooth 421 is clamped into the appropriate clamping hole 411, the force applied to the driving button 22 can be gradually removed; when it is needed to make the elastic clamping tooth 421 and the clamping hole 411 disengage, the driving button 22 is pressed downward again, so that the elastic clamping tooth 421 and the clamping hole 411 are disengaged, and then the force applied to the driving button 22 is removed instantaneously. The resistance sleeve 41 returns to the initial position under the pulling of the driving spring 5.

[0030] With reference to Fig. 1 And Fig. 2 In some embodiments, the elastic connecting piece is a telescopic spring 43, one end of the telescopic spring 43 is fixedly connected to the center rod 1, and the other end is fixedly connected to the scraper 3. The side of the resistance sleeve 41 facing the scraper 3 is provided with a plurality of extension links 44, one end of the extension link 44 is hinged to the resistance sleeve 41, and the other end of the plurality of extension links 44 is uniformly arrayed in the elastic direction of the telescopic spring 43. That is, the telescopic spring 43 is evenly divided into several deformation units connected to each other, and a plurality of extension links 44 are arranged to connect the deformation units of the telescopic spring 43. Such arrangement is conducive to ensuring that the telescopic spring 43 changes uniformly during the extension or contraction of the extension link 44, so as to more accurately control the expansion width of the scraper 3. The scraper 3 and the center rod 1 are connected through the telescopic spring 43, and the extension link 44 is used in cooperation, so that the expansion width of the scraper 3 can be adjusted as needed. The scraper 3 and the container wall are flexibly connected through the telescopic spring 43, the telescopic spring 43 can play a certain buffering role when the scraper 3 acts on the container wall, effectively reducing the possibility of damaging the container due to rigid contact between the scraper structure and the container wall. In this embodiment, the extension link 44 is made of stainless steel.

[0031] With reference to Fig. 1Further, in the embodiment, two scrapers 3 are arranged on both sides of the central rod 1 along the central axis of the central rod 1, and the scrapers 3 on both sides are arranged with elastic springs 43 between the scrapers 3 and the central rod 1, and the elastic extension links 44 on both sides are also arranged symmetrically.

[0032] With reference to Fig. 1 Further, the central rod 1 is arranged as a hollow rod structure, and the temperature display 6 is detachably arranged in the central rod 1, so that the temperature of various samples can be observed when the grease samples are processed, and the related grease experiments can be more accurately performed.

[0033] Further, the scraper 3 is arranged as a flat structure with an arc edge, and the flat structure is convenient for scraping the samples. The arc edge of the scraper 3 can be adapted to the arc-shaped inner wall, and the samples attached to the container wall can be fully scraped.

[0034] Further, the edge of the scraper 3 is provided with sawteeth, which can better scrape the grease samples and improve the experimental efficiency. In addition, the scraper 3 is made of high-quality stainless steel material, which is subjected to special heat treatment process, has good wear resistance and corrosion resistance, and is not easy to chemically react with the grease in the rapid cooling process.

[0035] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the described embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A spatula for use in oil and fat laboratories, characterized in that: Including shell, center pole and scraper, the shell is installed on the outer periphery of the center pole, the scraper is arranged at the end of the center pole, the shell is provided with a stretching adjusting assembly, the stretching adjusting assembly includes a resistance sleeve, a stretching link and an elastic connecting piece, the resistance sleeve is connected with the center pole, the elastic connecting piece is arranged between the scraper and the center pole, one end of the stretching link is hinged to the resistance sleeve, and the other end is connected to the elastic connecting piece, the resistance sleeve slides along the center pole and drives the stretching link to expand or contract along the center pole, and the stretching link expands or contracts and drives the elastic connecting piece to stretch or compress.

2. A spatula for use in oil and fat laboratories according to claim 1, characterized in that: The stretching adjusting assembly further comprises a resistance buckle, the resistance buckle is fixedly sleeved on the center pole, the resistance sleeve is sleeved on the outer periphery of the resistance buckle, the resistance buckle is provided with elastic clamping teeth, and the resistance sleeve is uniformly provided with a plurality of clamping holes in the sliding direction, and the elastic clamping teeth can be clamped with the clamping holes.

3. A spatula for use in a laboratory for fats and oils according to claim 2, characterized in that: The elastic clamping teeth are elastic sheets with a spherical segment structure at the top.

4. The spatula according to claim 1, wherein: The shell is provided with a driving spring for driving the resistance sleeve to slide, one end of the driving spring is connected to the driving button, and the other end is fixedly connected to the resistance sleeve.

5. The spatula according to claim 1, wherein: The elastic connecting piece is a telescopic spring, one end of the telescopic spring is fixedly connected to the center pole, and the other end is fixedly connected to the scraper. The resistance sleeve is provided with a plurality of stretching links on the side facing the scraper, and the ends of the stretching links away from the resistance sleeve are uniformly arranged in the elastic force direction of the telescopic spring.

6. A spatula for use in a laboratory for fats according to claim 5, characterized in that: Two scrapers are arranged, and the two scrapers are arranged on the two sides of the center pole, respectively, and the telescopic springs are arranged between the scrapers and the center pole.

7. The spatula according to claim 1, wherein: The center pole is a hollow rod structure, and the center pole is provided with a temperature display.

8. The spatula according to claim 1, wherein: The scraper has an arc flat structure at the edge.

9. The spatula according to claim 1, wherein: The scraper edge is provided with a sawtooth.

10. The spatula according to claim 1, wherein: The surface of the shell is provided with anti-skid lines, and the top of the shell is integrally provided with a handle at the front end. The scraper has an arc flat structure at the edge.

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