Simple test tube clamp

Abstract

The utility model provides a simple test tube clamp and belongs to the technical field of test tube clamps. Comprising a first clamping jaw and a second clamping jaw which are used for clamping, the first clamping jaw and the second clamping jaw are connected through a torsional spring, the first clamping jaw and the second clamping jaw rotate with the torsional spring as the center, the torsional spring is sleeved with an anti-abrasion cylinder, and the anti-abrasion cylinder is located at the rotating center of the first clamping jaw and the second clamping jaw. And the first clamping jaw and the second clamping jaw are matched with the torsional spring to clamp and fix the anti-abrasion cylinder. By arranging the anti-abrasion cylinder, the abrasion speed of the first clamping jaw and the second clamping jaw is effectively reduced, the service life of the test tube clamp is prolonged, the stability of the test tube clamp is enhanced, meanwhile, the first clamping jaw and the second clamping jaw are limited by the anti-abrasion cylinder, the situation that the first clamping jaw and the second clamping jaw are staggered can be avoided, and the service life of the test tube clamp is prolonged. The stability of the test tube clamp is further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to test -tube clamp technical field, especially in a simple and easy test -tube clamp. BACKGROUND

[0002] Test -tube clamp is the common tool for clamping test tube in laboratory, and the common test -tube clamp has stainless steel, wood and plastic and a plurality of materials, and the test -tube clamp of different materials has respective advantages and disadvantages and the use occasion of adaptation, such as wooden test -tube clamp, simple structure, light weight, and the thermal conductivity is not strong, is used when heating in laboratory to test tube, and the wooden test -tube clamp is usually connected by spring mechanism and is formed by two groups of different length clamping jaws.

[0003] But in the actual use process, the wooden test -tube clamp has certain problems, and the more obvious one is that the clamping jaw has the abrasion phenomenon in the long time use process, especially the position of installing spring, and the abrasion speed is faster, leading to the shorter service life of test -tube clamp, when the clamping jaw and the spring are abraded to a certain degree, the two clamping jaws are prone to misalignment when clamping test tube, leading to unstable clamping, therefore, the application provides a simple test -tube clamp to meet the demand. UTILITARY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a simple test -tube clamp to solve the abrasion phenomenon of the existing wooden test -tube clamp in the long time use process, and the problem of reduced stability caused by abrasion.

[0005] To solve the above technical problem, the utility model provides the following technical scheme:

[0006] A simple test -tube clamp, first clamping jaw and second clamping jaw for clamping, the first clamping jaw and the second clamping jaw are connected through a torsion spring, the first clamping jaw and the second clamping jaw rotate around the torsion spring, a wear -resisting cylinder is arranged outside the torsion spring, the wear -resisting cylinder is located at the rotation center of the first clamping jaw and the second clamping jaw, and the first clamping jaw and the second clamping jaw cooperate with the torsion spring to clamp and fix the wear -resisting cylinder.

[0007] Optionally, a first clamping groove is formed in the bottom of the first clamping jaw, the first clamping groove is an arc groove structure, a first center groove is formed in one side of the first clamping groove, the first center groove is a semicircular groove structure, and a first embedding groove is also formed in the first clamping jaw, and the first embedding groove is an L-shaped structure.

[0008] Optionally, the second clamping jaw is provided with a second clamping groove, which has the same structure as the first clamping groove, and a second center groove is formed on one side of the second clamping groove, which has the same structure as the first center groove; and a second embedding groove is formed on the second clamping jaw, which has the same structure as the first embedding groove.

[0009] Optionally, the anti-abrasion cylinder comprises a cylinder body embedded in the first center groove, and the cylinder body is fixedly connected with a limiting plate at both ends.

[0010] Optionally, the cylinder body is provided with an opening, which penetrates through the cylinder body from one end to the other end.

[0011] Optionally, the limiting plate is provided with a relief groove, and the relief grooves on the two limiting plates are matched with the torsional spring.

[0012] Optionally, the anti-abrasion cylinder is preferably made of plastic material.

[0013] Optionally, the torsional spring comprises a spiral portion, and the spiral portion is extended with a first connecting rod portion and a second connecting rod portion at both ends, respectively; and the first connecting rod portion and the second connecting rod portion are matched with the first embedding groove and the second embedding groove, respectively.

[0014] Optionally, the torsional spring is made of metal material.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, the anti-abrasion cylinder is arranged, the abrasion speed of the first clamping jaw and the second clamping jaw is effectively reduced, the service life of the test tube clamp is prolonged, the stability of the test tube clamp is enhanced, meanwhile, the anti-abrasion cylinder limits the first clamping jaw and the second clamping jaw, the dislocation of the first clamping jaw and the second clamping jaw can be avoided, and the stability of the test tube clamp is further enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings incorporated herein and forming part of the specification show embodiments of the utility model, and together with the specification, further serve to explain the principles of the utility model, and enable relevant skilled persons to implement and use the utility model.

[0018] Figure 1 It is a schematic diagram of a simple test tube clamp three-dimensional structure;

[0019] Figure 2 It is a schematic diagram of a first clamping jaw three-dimensional structure;

[0020] Figure 3 It is a schematic diagram of a second clamping jaw three-dimensional structure;

[0021] Figure 4 Schematic view of enlarged structure of anti-wear cylinder and torsion spring cooperation;

[0022] Figure 5 Schematic view of enlarged structure of anti-wear cylinder.

[0023] [Reference signs]

[0024] 1, first clamping jaw; 2, second clamping jaw; 3, anti-wear cylinder; 4, torsion spring; 5, first clamping groove; 6, first center groove; 7, first embedding groove; 8, second clamping groove; 9, second center groove; 10, second embedding groove; 11, cylinder body; 12, limiting plate; 13, opening; 14, avoiding groove; 15, spiral part; 16, first connecting rod part; 17, second connecting rod part.

[0025] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in this specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0026] The simple test tube clamp provided by the present application will be described in detail below in combination with the drawings and specific embodiments. It should be noted here that in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement them; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0027] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments.

[0028] Generally, the terms can be understood at least in part from the usage in context. For example, depending on the context, the term "one or more" used herein can be used to describe any feature, structure or characteristic in a singular sense or can be used to describe a combination of features, structures or characteristics in a plural sense. In addition, the term "based on" can be understood as not necessarily conveying a set of exclusive factors, but can instead, depending at least in part on the context, allow the existence of other factors not necessarily explicitly described.

[0029] It is to be understood that the terms "on", "above", and "upper" in the present application should be interpreted in the broadest context, such that "on" not only means "directly on" but also includes the meaning of "on" with intervening characteristics or layers therebetween, and "above" or "upper" not only means "above" or "upper" but also includes the meaning of "above" or "upper" with no intervening characteristics or layers therebetween.

[0030] In addition, spatially relative terms, such as "under", "below", "lower", "on", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can similarly be interpreted accordingly.

[0031] As Figures 1 to 5 shown, the embodiment of the present application provides a simple test tube clamp, which comprises a first clamping jaw 1 and a second clamping jaw 2 for clamping, the first clamping jaw 1 and the second clamping jaw 2 are connected through a torsion spring 4, the first clamping jaw 1 and the second clamping jaw 2 rotate around the torsion spring 4 as the center, an anti-wear cylinder 3 is sleeved outside the torsion spring 4, the anti-wear cylinder 3 is located at the rotation center of the first clamping jaw 1 and the second clamping jaw 2, the first clamping jaw 1 and the second clamping jaw 2 clamp and fix the anti-wear cylinder 3 through the torsion spring 4, by arranging the anti-wear cylinder 3, the contact area between the torsion spring 4 and the first clamping jaw 1 and the second clamping jaw 2 is reduced, especially the rotation center of the torsion spring 4 is separated from the first clamping jaw 1 and the second clamping jaw 2, the wear speed of the first clamping jaw 1 and the second clamping jaw 2 is effectively reduced, the service life of the test tube clamp is prolonged, at the same time, the anti-wear cylinder 3 limits the first clamping jaw 1 and the second clamping jaw 2, the dislocation of the first clamping jaw 1 and the second clamping jaw 2 can be avoided, and the stability of the test tube clamp is enhanced.

[0032] As Figure 2 and Figure 3As shown, the first clamping jaw 1 is provided with a first clamping groove 5 at the bottom, which is an arc-shaped groove structure, and its function is to position the test tube, increase the contact area between the test tube clamp and the test tube, and improve the stability. A first center groove 6 is provided on one side of the first clamping groove 5, which is a semicircular groove structure, and its function is to install the wear-resistant cylinder 3 and the torsional spring 4, which is the rotating center of the test tube clamp. A first embedding groove 7 is also provided on the first clamping jaw 1, which is an L-shaped structure. The starting end of the first embedding groove 7 is connected with the first center groove 6, and extends to the top of the first clamping jaw 1 through the side surface of the first clamping jaw 1 which is flush with the end surface of the first center groove 6. Its function is to cooperate with the torsional spring 4 to connect the first clamping jaw 1 with the torsional spring 4. A second clamping groove 8 is provided at the top of the second clamping jaw 2, which has the same structure as the first clamping groove 5. A second center groove 9 is provided on one side of the second clamping groove 8, which has the same structure as the first center groove 6. A second embedding groove 10 is also provided on the second clamping jaw 2, which has the same structure as the first embedding groove 7.

[0033] As shown in Figure 4 and Figure 5 The wear-resistant cylinder 3 includes a cylinder body 11 embedded in the first center groove 6. The two ends of the cylinder body 11 are fixedly connected with limiting plates 12, respectively. The diameter of the limiting plate 12 is greater than the diameter of the first center groove 6. When the wear-resistant cylinder 3 is installed in the first center groove 6, the limiting plates 12 at both ends of the cylinder body 11 abut against the two side surfaces of the first clamping jaw 1, thereby limiting the first clamping jaw 1 along the direction of the rotating center axis. Similarly, when the first clamping jaw 1 and the second clamping jaw 2 are connected through the cooperation of the torsional spring 4, the limiting plates 12 simultaneously limit the second clamping jaw 2 along the direction of the rotating center axis, thereby avoiding the misalignment of the first clamping jaw 1 and the second clamping jaw 2. An opening 13 is provided on the side wall of the cylinder body 11, which penetrates completely from one end to the other end. An avoiding groove 14 is provided on the side wall of the limiting plate 12. The positions of the avoiding grooves 14 on the two limiting plates 12 are matched with the torsional spring 4. The wear-resistant cylinder 3 is preferably made of plastic material, which has the advantages of light weight and low production cost. At the same time, plastic has good wear resistance, which has good effect on reducing the wear of the first clamping jaw 1 and the second clamping jaw 2 by the torsional spring 4.

[0034] The torsion spring 4 comprises a spiral part 15, the first connecting rod part 16 and the second connecting rod part 17 are respectively arranged at both ends of the spiral part 15, the first connecting rod part 16 and the second connecting rod part 17 are respectively matched with the first embedding groove 7 and the second embedding groove 10, the torsion spring 4 is made of metal material, when the torsion spring 4 is installed into the wear-resistant cylinder 3, the second connecting rod part 17 is aligned with one end of the opening 13, then the torsion spring 4 is translated, the spiral part 15 is arranged into the inner part of the cylinder body 11, when the spiral part 15 is completely arranged into the inner part of the cylinder body 11, the first connecting rod part 16 and the second connecting rod part 17 are respectively arranged outside the two groups of limiting plates 12 and are embedded into the corresponding avoiding grooves 14, then the first clamping jaw 1 and the second clamping jaw 2 are respectively clamped outside the wear-resistant cylinder 3, the cylinder body 11 is embedded into the first central groove 6 and the second central groove 9, then the first connecting rod part 16 is completely embedded into the first embedding groove 7 and the second connecting rod part 17 is completely embedded into the second embedding groove 10 by using a tool, the torsion spring 4 is fixedly connected with the first clamping jaw 1 and the second clamping jaw 2, and the first clamping jaw 1 and the second clamping jaw 2 stably clamp the wear-resistant cylinder 3.

[0035] The utility model discloses a working principle, the utility model discloses in using, the operator can hold the first clamping jaw 1 and the second clamping jaw 2's handle end through the thumb and the index finger, exerts force and makes the first clamping jaw 1 and the second clamping jaw 2's clamping end open, and the first clamping jaw 1 and the second clamping jaw 2 respectively overcome the resistance of the first connecting rod part 16 and the second connecting rod part 17 to rotate around the wear-resistant cylinder 3 as the center, when clamping the test tube, the test tube clamp is from the test tube bottom from below to above, lets the test tube pass through the clamping groove that the first clamping groove 5 and the second clamping groove 8 constitute, then releases the first clamping jaw 1, and the first clamping jaw 1 is combined towards the second clamping jaw 2 under the drive of the torsion spring 4, and the test tube is clamped and can be.

[0036] The utility model discloses a working principle, the utility model discloses in using, the operator can hold the first clamping jaw 1 and the second clamping jaw 2's handle end through the thumb and the index finger, exerts force and makes the first clamping jaw 1 and the second clamping jaw 2's clamping end open, and the first clamping jaw 1 and the second clamping jaw 2 respectively overcome the resistance of the first connecting rod part 16 and the second connecting rod part 17 to rotate around the wear-resistant cylinder 3 as the center, when clamping the test tube, the test tube clamp is from the test tube bottom from below to above, lets the test tube pass through the clamping groove that the first clamping groove 5 and the second clamping groove 8 constitute, then releases the first clamping jaw 1, and the first clamping jaw 1 is combined towards the second clamping jaw 2 under the drive of the torsion spring 4, and the test tube is clamped and can be.

[0037] The above only is the preferred implementation way of the utility model, should point out, for ordinary skill for the technical field, on the premise of not departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.

Claims

1. A simple test tube clamp characterized by, The first clamping jaw and the second clamping jaw are connected by a torsion spring, the first clamping jaw and the second clamping jaw rotate around the torsion spring, the torsion spring is externally sleeved with an anti-wear cylinder, the anti-wear cylinder is located at the rotation center of the first clamping jaw and the second clamping jaw, and the first clamping jaw and the second clamping jaw clamp and fix the anti-wear cylinder in cooperation with the torsion spring; The first clamping jaw bottom is provided with a first clamping groove, the first clamping groove is an arc-shaped groove structure, one side of the first clamping groove is provided with a first center groove, the first center groove is a semicircular groove structure, and a first embedding groove is further formed in the first clamping jaw, the first embedding groove is an L-shaped structure; The anti-wear cylinder comprises a cylinder body embedded in the first center groove, and the cylinder body is fixedly connected with a limiting plate at both ends; The limiting plate side wall is provided with a avoiding groove, and the avoiding grooves on the two limiting plates are matched with the torsion spring.

2. The simple test tube clamp according to claim 1, characterized by The second clamping jaw top is provided with a second clamping groove, the second clamping groove is the same structure as the first clamping groove, one side of the second clamping groove is provided with a second center groove, the second center groove is the same structure as the first center groove, and a second embedding groove is further formed in the second clamping jaw, the second embedding groove is the same structure as the first embedding groove.

3. The simple test tube clamp according to claim 2, wherein The cylinder body side wall is provided with an opening, and the opening completely penetrates from one end of the cylinder body to the other end.

4. The simple test tube clamp according to claim 1, wherein The anti-wear cylinder is preferably made of plastic material.

5. The simple test tube clamp according to claim 2, wherein The torsion spring comprises a spiral part, the spiral part extends out a first connecting rod part and a second connecting rod part at both ends, respectively, and the first connecting rod part and the second connecting rod part are matched with the structure of the first embedding groove and the second embedding groove, respectively.

6. The simple test tube clamp according to claim 1, wherein The torsion spring is made of metal material.

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