Conical flask clamp

Abstract

A conical flask clamp comprises a sleeve, clamping jaws rotationally connected to first connecting blocks on the two sides of the front end of the sleeve respectively, and two or more second connecting blocks arranged on the outer sides of the clamping jaws in the vertical direction. One end of the connecting plate is rotationally connected to the second connecting block through a rotating shaft, and the other end of the connecting plate is in sliding connection with the sleeve through a connecting shaft; at least part of the driving assembly is contained and borne by the sleeve, and the driving assembly is detachably connected with a baffle at the tail end of the sleeve; during use, the handle is held by a single hand, four fingers penetrate through the through holes in the baffle to perform fist-making action, pressure is applied to compress the soft large telescopic joint, the large telescopic joint pushes the small telescopic joint in the large telescopic joint to move forwards, the connecting shaft slides forwards along the sliding groove, the connecting plates located on the connecting shaft are driven to be separated towards the two sides, and the clamping claws are controlled to be opened; and then the compressed spring of the palm is released to drive the large telescopic joint to reset and the small telescopic joint to move backwards, so that the connecting shaft slides backwards along the sliding groove to drive the connecting plates which are located on the connecting shaft and have overlapped tail ends to contract inwards to control the clamping claws to be combined.

Description

Technical Field

[0001] The utility model belongs to the field of experimental supplies, in particular to a conical bottle clamp. Background Art

[0002] The conical flask is a commonly used glass instrument in the laboratory and is also one of the glass instruments often used to heat samples. When heating samples, the conical flask is often overheated and difficult to hold. The crucible tongs and clamps commonly used in the laboratory are not easy to clamp the conical flask, and the clamping is easy to slip. The crucible tongs and clamps require a large opening and closing range, which is easy to knock over the conical flask next to it. The clamping is limited by space and position. The use of conical flasks involves high temperature and highly corrosive acid mist. The above tools are difficult to ensure the safety of the experiment, there is a risk of scalding and burning the experimenters, and the operation is difficult, which reduces the work efficiency of the experimenters. Utility Model Content

[0003] The purpose of the utility model is to provide a conical bottle clamp to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a conical bottle clamp, comprising a sleeve, clamping claws rotatably connected to the first connecting blocks on both sides of the front end of the sleeve and two or more second connecting blocks arranged on the outside of the clamping claws in the vertical direction, a connecting plate with one end rotatably connected to the second connecting block through a rotating shaft and the other end slidably connected to the sleeve through a connecting shaft, and a driving component that is at least partially accommodated and carried by the sleeve and is detachably connected to the end baffle of the sleeve.

[0005] Preferably, the sleeve has a hollow cavity and a slide groove penetrating the cylinder is arranged in the horizontal direction, the connecting shaft is arranged inside the sleeve and reciprocates along the slide groove, and the number of the connecting plates corresponds to the second connecting blocks one by one.

[0006] Preferably, the driving assembly includes a first connecting head fixedly connected to the connecting shaft, a telescopic rod threadedly connected to the first connecting head, and a handle arranged at the end of the telescopic rod.

[0007] Preferably, the telescopic rod includes at least two or more large telescopic sections and small telescopic sections that are coaxially slidably connected. The front end of the small telescopic section is fixed to the first connecting head, and the first connecting head slides with the small telescopic section, and its inner wall is in contact with the small telescopic section.

[0008] Preferably, the telescopic rod further comprises a spring which is arranged around the inside of the large telescopic section and located outside the small telescopic section, and two ends of the spring are respectively fixedly connected to two ends inside the large telescopic section.

[0009] Preferably, the large telescopic joint includes a second connector at the output end and a joint body whose two ends are respectively connected to the end of the second connector and the front end of the handle, the second connector is made of a hard material, the joint body is made of a soft material, and the small telescopic joint is made of a hard material.

[0010] Preferably, the baffle is evenly arrayed with an even number of through holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the conical bottle clamp of the utility model is used, the handle is held by one hand, four fingers are passed through the through holes on the baffle plate to make a fist and apply pressure to compress the soft large expansion joint, and the large expansion joint pushes the internal small expansion joint to move forward, so that the connecting shaft slides forward along the slide groove, and the connecting plates located on the connecting shaft and overlapping with each other at the ends are driven to separate to both sides to control the clamping claws to open. Then, the palm is released and the compressed spring drives the large expansion joint to reset and the small expansion joint to move backward, so that the connecting shaft slides backward along the slide groove, and the connecting plates located on the connecting shaft and overlapping with each other at the ends are driven to shrink inward to control the clamping claws to merge, so as to achieve the purpose of clamping the conical bottle. The operation is simple, and at the same time, by setting the baffle, a connecting ring can be further set at the front end of the baffle, and a disposable or reusable high-temperature resistant rubber finger cot can be sleeved on the connecting ring to further improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the drive assembly and clamping claw structure of the utility model;

[0016] Figure 4 It is a schematic cross-sectional structural diagram of the drive assembly of the utility model.

[0017] Markings in the figure: 1. sleeve; 2. first connecting block; 3. clamping claw; 4. second connecting block; 5. rotating shaft; 6. connecting shaft; 7. connecting plate; 8. baffle; 9. driving assembly; 910. first connecting head; 920. telescopic rod; 921. large telescopic joint; 922. small telescopic joint; 923. spring; 924. second connecting head; 925. joint body; 930. handle; 10. third connecting block; 11. slide groove; 12. through hole. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0019] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by persons of ordinary skill in the field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] See also Figure 1-4 The utility model provides a technical solution: a conical bottle clamp, comprising a sleeve 1, clamping claws 3 rotatably connected to first connecting blocks 2 on both sides of the front end of the sleeve 1 and two or more second connecting blocks 4 arranged on the outside of the clamping claws 3 in a vertical direction, a connecting plate 7 rotatably connected to the second connecting block 4 through a rotating shaft 5 and slidably connected to the sleeve 1 through a connecting shaft 6 at the other end, and a driving component 9 that is at least partially accommodated and carried by the sleeve 1 and is detachably connected to a baffle 8 at the end of the sleeve 1.

[0021] Among them, the clamping claw 3 is installed on the first connecting blocks 2 on both sides of the sleeve 1 through two or more third connecting blocks 10 integrally arranged at the end, and is fixed by the rotating shaft 5 to realize the rotation connection in the horizontal direction. The sleeve 1 has a hollow cavity and a slide groove 11 that penetrates the cylinder body is arranged in the horizontal direction. The connecting shaft 6 is arranged inside the sleeve 1, and the driving component 9 drives the connecting shaft 6 to slide along the slide groove 11 for reciprocating motion, driving the connecting plates 7 that are respectively arranged on both sides of the vertical direction of the sleeve 1 and the ends overlap with each other to open and close, and further control the opening and closing of the clamping claw 3 through the connecting plates 7. The number of connecting plates 7 is set to correspond to the second connecting block 4 one by one, so that the front end of each connecting plate 7 is respectively located at the upper and lower sides of the end of the clamping claw 3, so that the clamping claw 3 has better clamping stability and usability.

[0022] like Figure 3As shown, the driving assembly 9 includes a first connector 910 fixedly connected to the connecting shaft 6, a telescopic rod 920 threadedly connected to the first connector 910, and a handle 930 arranged at the end of the telescopic rod 920, wherein the telescopic rod 920 includes at least two or more large telescopic sections 921 and small telescopic sections 922 coaxially slidably connected, the front end of the small telescopic section 922 is fixed to the first connector 910, the first connector 910 slides with the small telescopic section 922, and its inner wall is in contact with the small telescopic section 922. When in use, hold the handle 930 with one hand and put four fingers through the through hole 12 on the baffle 8 to make a fist Apply pressure to compress the soft large telescopic joint 921, and the large telescopic joint 921 pushes the internal small telescopic joint 922 to move forward, so that the connecting shaft 6 slides forward along the slide groove 11, driving the connecting plates 7 located on the connecting shaft 6 and overlapping at the ends to separate to both sides to control the clamping claws 3 to open, and then release the palm of the hand to cause the compressed spring 923 to drive the large telescopic joint 921 to reset and the small telescopic joint 922 to move backward, so that the connecting shaft 6 slides backward along the slide groove 11, driving the connecting plates 7 located on the connecting shaft 6 and overlapping at the ends to shrink inward to control the clamping claws 3 to merge, thereby achieving the purpose of clamping the conical bottle.

[0023] like Figure 3 and Figure 4 As shown, the telescopic rod 920 also includes a spring 923 which is arranged around the inside of the large telescopic joint 921 and located outside the small telescopic joint 922. One end of the spring 923 is fixedly connected to the bottom end of the large telescopic joint 921 and the other end is fixed to the bottom end of the second connecting head 924. The bottom end of the small telescopic joint 922 is fixedly connected to the bottom end of the large telescopic joint 922. When the handle 930 is held and pressure is applied, the soft section body 925 of the large telescopic joint 921 and the internal spring 923 are compressed together and the internal small telescopic joint 922 is pushed out. When the palm is released, the spring 923 rebounds to drive the section body 925 of the large telescopic joint 921 to reset and the small telescopic joint 922 which is fixedly connected to the bottom end of the large telescopic joint 921 contracts inward and resets.

[0024] Please continue reading Figure 3 and Figure 4 The large telescopic joint 921 includes a second connector 924 at the output end and a joint body 925 whose two ends are respectively connected to the end of the second connector 924 and the front end of the handle 930. The second connector 924 and the small telescopic joint 922 are made of hard materials, and the joint body 925 is made of soft materials, wherein the hard material is preferably one of stainless steel or aluminum alloy, and the soft material is preferably elastic rubber.

[0025] In this embodiment, the baffle plate 8 is evenly arrayed with an even number of through holes 12 to facilitate fingers to pass through and snap onto the baffle plate 8 to apply pressure to the drive assembly 9 .

[0026] As another embodiment of the utility model, on the basis of the first embodiment, a connecting ring can be integrally formed along the outer edge of the through hole 12 and extended toward the end where the clamping claw 3 is located, and a disposable or reusable high-temperature resistant rubber finger cot can be sleeved on the connecting ring to further enhance the safety of the device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conical bottle clamp, characterized in that: It includes a sleeve, clamping claws rotatably connected to the first connecting blocks on both sides of the front end of the sleeve and two or more second connecting blocks arranged on the outside of the clamping claws in the vertical direction, a connecting plate with one end rotatably connected to the second connecting block through a rotating shaft and the other end slidably connected to the sleeve through a connecting shaft, and a driving component that is at least partially accommodated and carried by the sleeve and detachably connected to the end baffle of the sleeve.

2. The conical bottle clamp according to claim 1, characterized in that: The sleeve has a hollow cavity and is provided with a slide groove penetrating the cylinder in a horizontal direction. The connecting shaft is arranged inside the sleeve and reciprocates along the slide groove. The number of the connecting plates corresponds to the number of the second connecting blocks.

3. The conical bottle clamp according to claim 1, characterized in that: The driving assembly comprises a first connecting head fixedly connected to the connecting shaft, a telescopic rod threadedly connected to the first connecting head, and a handle arranged at the end of the telescopic rod.

4. The conical bottle clamp according to claim 3, characterized in that: The telescopic rod includes at least two or more large telescopic sections and small telescopic sections that are coaxially slidably connected. The front end of the small telescopic section is fixed to the first connecting head. The first connecting head slides with the small telescopic section, and its inner wall is in contact with the small telescopic section.

5. The conical bottle clamp according to claim 4, characterized in that: The telescopic rod also includes a spring which is arranged around the inside of the large telescopic section and located outside the small telescopic section, and two ends of the spring are respectively fixedly connected to two ends inside the large telescopic section.

6. The conical bottle clamp according to claim 5, characterized in that: The large telescopic joint includes a second connector at the output end and a joint body whose two ends are respectively connected to the end of the second connector and the front end of the handle, the second connector is made of hard material, the joint body is made of soft material, and the small telescopic joint is made of hard material.

7. The conical bottle clamp according to claim 1, characterized in that: The baffle is evenly arrayed with an even number of through holes.

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