Clamping type crucible tongs
The design of cross-connecting rods and rotating pins solves the problem of unstable crucible clamping, achieving stable clamping and adaptability to multiple sizes, and reducing the risk of crucible tipping.
Patent Information
- Application Number
- CN202520254006.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing crucible tongs are prone to tipping over or falling when gripping crucibles, leading to experimental failures or accidents, and the gripping stability cannot be guaranteed.
A clamping crucible clamp was designed, which uses a first and second outward-expanding connecting rod arranged in a cross configuration, along with a semi-circular ring and a handle sleeve, and is fixed by a rotating pin to achieve stable clamping.
It reduces the probability of crucible tipping, improves clamping stability, adapts to crucibles of various sizes, and increases the applicability of the device.
Smart Images

Figure CN223763017U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of crucible tongs technology, specifically relating to a clamping crucible tong. Background Technology
[0002] Crucible tongs are a common chemical instrument, generally used to hold crucibles. Usually, when using crucible tongs to hold crucibles, the operator needs to grip the tongs firmly with their hands. If the grip is not proper, the crucible can easily tip over or fall, which can not only cause the experiment to fail, but also cause accidents and unnecessary losses.
[0003] Existing patent CN 204868591 U discloses a laboratory crucible tong that can maintain a clamped state. This patent achieves this by incorporating a toothed support rod and a movable hook rod between the two crucible tong halves and the two handles. The toothed support rod has several teeth spaced apart, and the hook rod has a hook. The contact between the hook and the teeth utilizes the elasticity of a spring to stabilize the clamping state, thus maintaining the crucible tong's clamped state. While this method ensures the crucible remains clamped, it cannot guarantee that the crucible will not fall during movement, and the clamping stability is uncertain.
[0004] Therefore, in order to address the above-mentioned technical problems, it is necessary to provide a clamping crucible clamp.
[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content
[0006] The purpose of this invention is to provide a clamping crucible clamp that can...
[0007] To achieve the above objectives, a specific embodiment of this utility model provides a clamping crucible tong, comprising: a pair of clamping tongs, each pair of clamping tongs having a bottom ring plate fixed to its bottom, a first outward expansion link and a second outward expansion link respectively fixedly connected to the pair of clamping tongs, the first outward expansion link and the second outward expansion link being arranged crosswise, a semi-circular ring being installed on each of the first outward expansion link and the second outward expansion link, and a handle sleeve being fitted on the end of the first outward expansion link and the second outward expansion link away from the clamping tongs.
[0008] In one or more embodiments of this utility model, a plurality of through holes are drilled in the bottom ring plate.
[0009] In one or more embodiments of this utility model, a thickened connecting rod is installed on the second outward expansion connecting rod to facilitate the drilling of a rotating through hole, thereby facilitating the rotation of the first outward expansion connecting rod. A rotating through hole is drilled on the thickened connecting rod, and fixing pin holes are drilled on the upper and lower side walls of the rotating through hole to facilitate the installation of the rotating pin shaft. The first outward expansion connecting rod and the second outward expansion connecting rod are fixed together by the rotating pin shaft, thereby facilitating the clamping of the crucible with a pair of clamping pliers.
[0010] In one or more embodiments of this utility model, a fixing hole matching the fixing pin hole is drilled on the first outward expansion link to facilitate the insertion of the rotating pin shaft and realize the fixing of the first outward expansion link and the second outward expansion link.
[0011] In one or more embodiments of this utility model, a rotating pin is inserted on the thickened connecting rod and the first outwardly expanding connecting rod to fix the first outwardly expanding connecting rod and the thickened connecting rod, thereby facilitating the driving of a pair of clamping pliers to clamp the crucible.
[0012] In one or more embodiments of this utility model, the pair of clamps combined form a funnel shape.
[0013] In one or more embodiments of this utility model, the clamping clamp is 30 mm high and 3 mm thick.
[0014] In one or more embodiments of this utility model, the upper port diameter of the combined pair of clamps is 50 mm.
[0015] In one or more embodiments of this utility model, the pair of bottom ring plates are combined to form a ring shape, and the outer diameter of the pair of bottom ring plates is 30 mm and the inner diameter is 20 mm.
[0016] In one or more embodiments of this utility model, the handle sleeve is made of heat-resistant rubber, which makes it convenient for workers to grip.
[0017] Compared with the prior art, this utility model reduces the probability of crucible tipping over when clamping crucibles through corresponding design, thereby avoiding unnecessary losses. Furthermore, the crucible clamps are designed to accommodate crucibles of various sizes, thus increasing the applicability of the device. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a perspective view of a clamping crucible tong in one embodiment of the present invention;
[0020] Figure 2 for Figure 1 The structural diagram shown at point A in the middle;
[0021] Figure 3 This is a partial structural diagram of a clamping crucible tong in one embodiment of the present invention;
[0022] Figure 4 for Figure 3 The structural diagram shown at point B in the middle.
[0023] Explanation of key figure labels:
[0024] 1-Clamping clamp, 101-Bottom ring plate, 102-Through hole, 2-First outward expansion connecting rod, 201-Fixed insertion hole, 3-Second outward expansion connecting rod, 301-Thickened connecting rod, 302-Fixed pin hole, 4-Semi-circular ring, 5-Handle sleeve, 6-Rotating pin. Detailed Implementation
[0025] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.
[0026] like Figures 1 to 4 As shown, a clamping crucible tong according to one embodiment of the present invention includes: a pair of clamping tongs 1, which, when combined, form a funnel shape. Each clamping tong 1 is 30 mm high and 3 mm thick. The upper port diameter of the combined pair of clamping tongs 1 is 50 mm. A bottom ring plate 101 is fixed to the bottom of each pair of clamping tongs 1, forming a ring shape when combined. The outer diameter of the combined bottom ring plate 101 is 30 mm, and the inner diameter is 20 mm. Multiple through holes 102 are drilled in the bottom ring plate 101.
[0027] like Figures 1 to 4 As shown, a pair of clamping clamps 1 are respectively fixedly connected to a first outward-expanding connecting rod 2 and a second outward-expanding connecting rod 3, which are arranged crosswise. A semi-circular ring 4 is installed on both the first outward-expanding connecting rod 2 and the second outward-expanding connecting rod 3 to facilitate gripping objects and improve the practicality of the device. A handle sleeve 5 is fitted onto the end of both the first outward-expanding connecting rod 2 and the second outward-expanding connecting rod 3 away from the clamping clamp 1. The handle sleeve 5 is made of heat-resistant rubber for easy gripping by workers.
[0028] like Figures 1 to 4 As shown, a thickened connecting rod 301 is installed on the second outward expansion connecting rod 3 to facilitate the drilling of a rotating through hole, thereby facilitating the rotation of the first outward expansion connecting rod 2. A rotating through hole is drilled on the thickened connecting rod 301. Fixing pin holes 302 are drilled on both the upper and lower side walls of the rotating through hole to facilitate the installation of the rotating pin 6. The first outward expansion connecting rod 2 and the second outward expansion connecting rod 3 are fixed together by the rotating pin 6, thus facilitating the clamping of the crucible using a pair of clamping pliers 1. A fixing insertion hole 201 matching the fixing pin hole 302 is drilled on the first outward expansion connecting rod 2 to facilitate the insertion of the rotating pin 6, thereby fixing the first outward expansion connecting rod 2 and the second outward expansion connecting rod 3.
[0029] Specifically, a rotating pin 6 is inserted on the thickened connecting rod 301 and the first outwardly expanding connecting rod 2 to fix the first outwardly expanding connecting rod 2 and the thickened connecting rod 301, thereby facilitating the driving of a pair of clamping clamps 1 to clamp the crucible.
[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A clamp-type crucible tongs characterized by, The utility model relates to a pair of clamping pincers, the bottom of a pair of the clamping pincers is fixed with bottom ring plates, a first outer expansion connecting rod and a second outer expansion connecting rod are fixedly connected on a pair of the clamping pincers respectively, the first outer expansion connecting rod and the second outer expansion connecting rod are crossly arranged, semicircle rings are installed on the first outer expansion connecting rod and the second outer expansion connecting rod, handle sleeve is sleeved on the end of the first outer expansion connecting rod and the second outer expansion connecting rod away from the clamping pincers. A plurality of through holes are drilled on the bottom ring plates.
2. A clamp-type crucible tongs according to claim 1, wherein A thickened connecting rod is installed on the second outer expansion connecting rod, a rotating through hole is drilled on the thickened connecting rod, and fixed pin holes are drilled on the upper and lower side walls of the rotating through hole.
3. A clamp-type crucible tongs according to claim 1 or 2, wherein A fixed insertion hole matched with the fixed pin hole is drilled on the first outer expansion connecting rod.
4. A clamp-type crucible tongs according to claim 3, wherein Rotary pin shafts are inserted on the thickened connecting rod and the first outer expansion connecting rod.
5. A clamp-type crucible tongs according to claim 4, wherein The pair of clamping pincers are combined to be funnel-shaped.
6. The clamp-type crucible tongs according to claim 1, wherein The clamping pincers are 30mm high and 3mm thick.
7. The clamp-type crucible tongs according to claim 1, wherein The upper end port of the pair of clamping pincers is 50mm in diameter.
8. The clamp-type crucible tongs according to claim 1, wherein The pair of bottom ring plates are combined to be circular, the outer diameter of the pair of bottom ring plates is 30mm, and the inner diameter is 20mm.
9. The clamp-type crucible tongs according to claim 1, wherein The handle sleeve is made of anti-scald rubber.
10. The clamp-type crucible tongs according to claim 1, wherein
Citation Information
Patent Citations
Crucible tongs is used in laboratory that can tight state of holding clip
CN204868591U