CN209812104U - Crucible tongs - Google Patents
Crucible tongs Download PDFInfo
- Publication number
- CN209812104U CN209812104U CN201822093856.4U CN201822093856U CN209812104U CN 209812104 U CN209812104 U CN 209812104U CN 201822093856 U CN201822093856 U CN 201822093856U CN 209812104 U CN209812104 U CN 209812104U
- Authority
- CN
- China
- Prior art keywords
- crucible
- ring
- handle
- mounting
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000011491 glass wool Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000010425 asbestos Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 3
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model provides a crucible tongs, which has convenient clamping and good protection effect; through the double-layer handle structure of the inner handle and the outer handle and the matching of the protective cover, asbestos gloves are not needed to be worn when the crucible is clamped by using the crucible clamping device, so that the crucible can be flexibly and freely clamped; the protective cover blocks the heat radiation of the crucible, and the handle can be arranged in the protective cover for operation, so that the safety of an operator is protected, and the operator is prevented from being scalded; the heat conduction is changed from solid conduction to air conduction through the interval between the mounting column and the bracket, the heat conductivity is reduced, the heat insulation effect is achieved, the cold water in the outer handle is utilized, the heat conduction is changed from solid conduction to liquid conduction, the heat conductivity is reduced, and therefore the heat conducted to the hands of an operator is greatly reduced; through the threaded connection among the components, the damaged components can be replaced conveniently, and the production cost is reduced; the crucible is clamped through the arc-shaped clamping head, so that the crucible is prevented from falling off due to unstable gravity center in the clamping process.
Description
Technical Field
The utility model relates to a hand tool technical field, concretely relates to crucible tongs.
Background
The crucible is an important component of a chemical instrument, is a container for melting and refining metal liquid, heating solid and liquid and reacting, and is the basis for ensuring the smooth progress of chemical reaction. The crucible has more specifications, is not limited by production scale, batch size and variety of smelting substances when in application, can be selected at will, has stronger applicability, and can ensure the purity of the smelted substances. The crucible is in a high-temperature state in the using process, so the crucible clamp is required to be taken down, but the prior crucible clamp has the following problems in use: firstly, the crucible tongs need to clamp two handles of the crucible with force, when the force is too large, the crucible is easy to deform or damage, and when the force is too small, the crucible cannot be clamped, so that the danger of scalding is greatly increased; secondly, in order to protect the crucible and avoid the heat radiation of the crucible, operators need to wear asbestos gloves to hold the crucible tongs, but the gloves are generally overlarge and heavy, so that the operators cannot freely operate after wearing the gloves, and the crucible falls.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a crucible tongs, which has the characteristics of convenient clamping and good protection effect.
The utility model provides a technical scheme of above-mentioned problem does: a crucible clamp comprises a crucible clamp body and a protective cover;
the crucible tongs comprise a crucible tongs body, a crucible tongs clamping device and a crucible tongs clamping device, wherein the crucible tongs body comprises a support, a supporting head and a hook, the support is of a cylindrical structure, the diameter of the support is D1, the top end of the support is provided with external threads, the bottom end of the support is provided with the external threads, and the lower part of the support is provided;
the hook is positioned at the bottom end of the support and is in threaded connection with the support;
the supporting head is positioned at the top end of the bracket and is in threaded connection with the bracket; the supporting head comprises a fixed column and a clamping head, one end of the fixed column is fixedly connected with the clamping head, and the other end of the fixed column is provided with an internal thread; the clamping head is of an arc structure, and the central angle subtended by the clamping head is larger than 180 degrees;
the protective device is positioned at the lower part of the bracket and comprises an inner handle, an outer handle and a protective cover;
the inner handle comprises a mounting column, a mounting ring and a heat insulation layer, and the mounting column and the mounting ring are made of stainless steel materials; the mounting column is of a hollow cylindrical structure, the upper end of the mounting column is connected with the lower end of the mounting ring to form an integral structure, the outer diameter of the mounting column is D2, the inner diameter of the mounting column is D5, and the outer diameter of the mounting ring is D3; the mounting column is covered with a heat insulation layer;
the mounting ring is provided with internal threads and is in threaded connection with the bracket; the outer cylindrical surface of the mounting ring is connected with a matching ring, the outer diameter of the matching ring is D4, the matching ring is positioned at the upper end of the mounting ring, and the matching ring is provided with an external thread; the lower part of the mounting ring is provided with an external thread;
the inner handle is positioned in the outer handle, and the central axis of the inner handle is superposed with the central axis of the outer handle; the upper end of the outer handle is provided with internal threads, and the outer handle is in threaded connection with the lower part of the mounting ring;
the outer handle is located the protection casing, and the protection casing is big end down's round platform structure, and the protection casing upper end even has the snap ring, is equipped with the internal thread on the snap ring, snap ring and cooperation ring threaded connection.
Furthermore, the hook comprises a connecting column and an annular hook, the annular hook is fixed on the connecting column, and an internal thread is arranged at one end of the connecting column.
Further, the heat insulating layer is made of superfine glass wool or high silicon-oxygen cotton.
Furthermore, the outer handle is of a hollow cylinder structure, a water inlet is formed in the lower portion of the outer handle, a cover is arranged at the position of the water inlet, and the cover is in threaded connection with the water inlet.
Further, D4> D3> D2, D5> D1.
The utility model discloses beneficial effect has: the utility model has convenient clamping and good protection effect; through the double-layer handle structure of the inner handle and the outer handle and the matching of the protective cover, an operator does not need to wear asbestos gloves when clamping the crucible by using the crucible clamping device, so that the crucible clamping device can be flexibly and freely clamped; the protective cover blocks the heat radiation of the crucible, and an operator can place a handle in the protective cover for operation, so that the safety of the operator is protected, and the operator is prevented from being scalded; the heat conduction is changed from solid conduction to air conduction through the interval between the mounting column and the bracket, the heat conductivity is reduced, the heat insulation effect is achieved, the cold water in the outer handle is utilized, the heat conduction is changed from solid conduction to liquid conduction, the heat conductivity is reduced, and therefore the heat conducted to the hands of an operator is greatly reduced; through the threaded connection among the components, the damaged components can be replaced conveniently, and the production cost is reduced; the crucible is clamped through the arc-shaped clamping head, so that the crucible is prevented from falling off due to unstable gravity center in the clamping process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the protection device of the present invention.
Fig. 3 is a sectional view of the outer handle of the present invention.
In the figure: 1-crucible tongs body, 2-bracket, 3-supporting head, 4-hook, 5-connecting column, 6-annular hook, 7-fixing column, 8-clamping head, 9-protective device, 10-inner handle, 11-outer handle, 12-protective cover, 13-mounting column, 14-mounting ring, 15-heat-insulating layer, 16-mating ring, 17-water inlet, 19-snap ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
A crucible clamp comprises a crucible clamp body 1 and a protection device 9;
the crucible tongs comprise a crucible tongs body 1, a crucible tongs body 2, a supporting head 3 and a hook 4, wherein the crucible tongs body 1 is made of stainless steel materials, the crucible tongs body 1 comprises a support 2, a supporting head 3 and a hook 4, the support 2 is of a cylindrical structure, the diameter of the support 2 is D1, the top end of the support 2 is provided with an external thread, the bottom end of the support 2 is provided with an external thread, and the;
the hook 4 is positioned at the bottom end of the support 2, and the hook 4 is in threaded connection with the support 2; the hook 4 comprises a connecting column 5 and an annular hook 6, the annular hook 6 is fixed on the connecting column 5, and one end of the connecting column 5 is provided with an internal thread;
the supporting head 3 is positioned at the top end of the bracket 2, and the supporting head 3 is in threaded connection with the bracket 2; the supporting head 3 comprises a fixed column 7 and a clamping head 8, one end of the fixed column 7 is fixedly connected with the clamping head 8, and the other end of the fixed column is provided with an internal thread; the clamping head 8 is in a circular arc structure, the central angle of the clamping head 8 is larger than 180 degrees,
in the using process, the clamping heads 8 with various different diameters are provided, and the crucible diameter can be replaced according to the requirement;
the protective device 9 is positioned at the lower part of the bracket 2, and the protective device 9 comprises an inner handle 10, an outer handle 11 and a protective cover 12;
the inner handle 10 comprises a mounting column 13, a mounting ring 14 and a heat insulation layer 15, wherein the mounting column 13 and the mounting ring 14 are made of stainless steel materials; the mounting column 13 is of a hollow cylindrical structure, the upper end of the mounting column 13 is connected with the lower end of the mounting ring 14 to form an integral structure, the outer diameter of the mounting column 13 is D2, the inner diameter of the mounting column 13 is D5, and the outer diameter of the mounting ring 14 is D3; the inner diameter of the mounting column 13 is D5, D5> D1; the mounting column 13 is covered with a heat insulation layer 15, the heat insulation layer 15 can be made of superfine glass wool or high silicon-oxygen wool, and the heat insulation layer 15 can be adhered or wound on the mounting column 13;
the mounting ring 14 is provided with internal threads, and the mounting ring 14 is in threaded connection with the bracket 2; the outer cylindrical surface of the mounting ring 14 is connected with a matching ring 16, the outer diameter of the matching ring 16 is D4, D4 is larger than D3 and larger than D2, the matching ring 16 is positioned at the upper end of the mounting ring 14, and an external thread is arranged on the matching ring 16; the lower part of the mounting ring 14 is provided with an external thread;
the inner handle 10 is positioned in the outer handle 11, and the central axis of the inner handle 10 is superposed with the central axis of the outer handle 11; the upper end of the outer handle 11 is provided with internal threads, and the outer handle 11 is in threaded connection with the lower part of the mounting ring 14; the outer handle 11 is of a hollow cylindrical structure, the outer handle 11 is made of stainless steel, a water inlet 17 is formed in the lower portion of the outer handle 11, a cover is arranged at the water inlet 17, and the cover is in threaded connection with the water inlet 17; cold water can be injected into the outer handle 11 by utilizing the water inlet 17 for further cooling;
the outer handle 11 is positioned in the protective cover 12, the protective cover 12 is in a round table structure with a small upper part and a big lower part, the upper end of the protective cover 12 is connected with a clamping ring 19, the clamping ring 19 is provided with internal threads, and the clamping ring 19 is in threaded connection with a matching ring 16; the protective cover 12 is made of stainless steel;
through the double-layer handle structure of the inner handle 10 and the outer handle 11 and the matching of the protective cover 12, an operator does not need to wear asbestos gloves when clamping the crucible by using the crucible clamping device, so that the crucible clamping device can be flexibly and freely operated; the protective cover 12 is used for blocking the heat radiation of the crucible, so that an operator can place a handle in the protective cover 12 for operation, the safety of the operator is protected, and the operator is prevented from being scalded; the heat conduction is changed from solid conduction to air conduction through the interval between the mounting column 13 and the bracket 2, the heat conductivity is reduced, the heat insulation effect is achieved, the cold water in the outer handle 11 is utilized, the heat conduction is changed from solid conduction to liquid conduction, the heat conductivity is reduced, and therefore the heat conducted to the hands of an operator is greatly reduced; through the threaded connection among the components, the damaged components can be replaced conveniently, and the production cost is reduced; the crucible is clamped by the arc-shaped clamping head 8, so that the crucible is prevented from falling off due to unstable gravity center in the clamping process.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (5)
1. The crucible tongs are characterized by comprising a crucible tong body and a protective cover;
the crucible tongs comprise a crucible tongs body, a crucible tongs clamping device and a crucible tongs clamping device, wherein the crucible tongs body comprises a support, a supporting head and a hook, the support is of a cylindrical structure, the diameter of the support is D1, the top end of the support is provided with external threads, the bottom end of the support is provided with the external threads, and the lower part of the support is provided;
the hook is positioned at the bottom end of the support and is in threaded connection with the support;
the supporting head is positioned at the top end of the bracket and is in threaded connection with the bracket; the supporting head comprises a fixed column and a clamping head, one end of the fixed column is fixedly connected with the clamping head, and the other end of the fixed column is provided with an internal thread; the clamping head is of an arc structure, and the central angle subtended by the clamping head is larger than 180 degrees;
the protective device is positioned at the lower part of the bracket and comprises an inner handle, an outer handle and a protective cover;
the inner handle comprises a mounting column, a mounting ring and a heat insulation layer, and the mounting column and the mounting ring are made of stainless steel materials; the mounting column is of a hollow cylindrical structure, the upper end of the mounting column is connected with the lower end of the mounting ring to form an integral structure, the outer diameter of the mounting column is D2, the inner diameter of the mounting column is D5, and the outer diameter of the mounting ring is D3; the mounting column is covered with a heat insulation layer;
the mounting ring is provided with internal threads and is in threaded connection with the bracket; the outer cylindrical surface of the mounting ring is connected with a matching ring, the outer diameter of the matching ring is D4, the matching ring is positioned at the upper end of the mounting ring, and the matching ring is provided with an external thread; the lower part of the mounting ring is provided with an external thread;
the inner handle is positioned in the outer handle, and the central axis of the inner handle is superposed with the central axis of the outer handle; the upper end of the outer handle is provided with internal threads, and the outer handle is in threaded connection with the lower part of the mounting ring;
the outer handle is located the protection casing, and the protection casing is big end down's round platform structure, and the protection casing upper end even has the snap ring, is equipped with the internal thread on the snap ring, snap ring and cooperation ring threaded connection.
2. The crucible tongs of claim 1, wherein the hook comprises a connecting post, and an annular hook fixed to the connecting post, wherein an internal thread is provided at one end of the connecting post.
3. The crucible tongs of claim 1 wherein the insulating layer is ultra-fine glass wool or high silica wool.
4. The crucible tongs of claim 1, wherein the outer handle is a hollow cylinder, the lower portion of the outer handle is provided with a water inlet, and the water inlet is provided with a cover, and the cover is in threaded connection with the water inlet.
5. The crucible tongs of claim 1 wherein D4> D3> D2, D5> D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093856.4U CN209812104U (en) | 2018-12-13 | 2018-12-13 | Crucible tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093856.4U CN209812104U (en) | 2018-12-13 | 2018-12-13 | Crucible tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209812104U true CN209812104U (en) | 2019-12-20 |
Family
ID=68869323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822093856.4U Expired - Fee Related CN209812104U (en) | 2018-12-13 | 2018-12-13 | Crucible tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209812104U (en) |
-
2018
- 2018-12-13 CN CN201822093856.4U patent/CN209812104U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |