CN221016161U - Sample tube clamping device - Google Patents
Sample tube clamping device Download PDFInfo
- Publication number
- CN221016161U CN221016161U CN202322501868.7U CN202322501868U CN221016161U CN 221016161 U CN221016161 U CN 221016161U CN 202322501868 U CN202322501868 U CN 202322501868U CN 221016161 U CN221016161 U CN 221016161U
- Authority
- CN
- China
- Prior art keywords
- sample tube
- piece
- connecting rod
- deformation
- hole
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of chemical adsorption, in particular to a sample tube clamping device, which aims to solve the problem of inconvenient operation caused by smaller space when a sample tube is installed in the prior art. For this purpose, the sample tube gripping device of the present utility model comprises: the clamping head is provided with a mounting hole, and the open end of the sample tube is penetrated in the mounting hole; the deformation part is arranged in the mounting hole and sleeved outside the sample tube, and a limiting part is arranged in the mounting hole and used for providing limiting for the deformation part; the compressing assembly is sleeved outside the sample tube and used for compressing the deformation piece; the locking mechanism is used for providing force for the compressing assembly to press the deformation piece in the direction of the limiting part so as to deform the deformation piece and clamp the sample tube. According to the clamping sleeve nut, the clamping sleeve nut is screwed down by pressing deformation of the deformation part through the force provided by the locking mechanism, so that the clamping sleeve nut is not required to be screwed down when a hand is inserted into the port of the sample tube, and the problem of inconvenient installation caused by small space is solved.
Description
Technical Field
The utility model relates to the technical field of chemical adsorption, and particularly provides a sample tube clamping device.
Background
The quartz glass sample tube is a container for holding samples in various analysis and detection processes, has the functions of sampling, storing and transporting samples, and has a very wide application field.
The sample tube used on the chemical adsorption instrument is usually required to be fixed on the chemical adsorption instrument by manually tightening the clamping sleeve nut, and because the space around the sample tube is smaller, the clamping sleeve nut occupies a certain space, so that the manual tightening operation space is very small, the installation is inconvenient, the distance between two ports of the sample tube is fixed and smaller, usually 25-30 mm, and the operation is more inconvenient, especially when the U-shaped sample tube is installed.
Accordingly, there is a need in the art for a new sample tube clamping device that addresses the above-described problems.
Disclosure of utility model
The utility model aims to solve the technical problems, namely the problem of inconvenient operation caused by smaller space when a sample tube is installed in the prior art.
The utility model provides a sample tube clamping device, which comprises: the clamping head is provided with a mounting hole, and the opening end of the sample tube is penetrated in the mounting hole; the deformation piece is arranged in the mounting hole and sleeved outside the sample tube, a limiting part is arranged in the mounting hole, and the limiting part is used for providing limiting for the deformation piece; the compressing assembly is sleeved outside the sample tube and used for compressing the deformation piece; the locking mechanism is used for providing force for the compressing assembly to extrude the deformation piece in the direction of the limiting part so that the deformation piece deforms and clamps the sample tube.
Under the condition of adopting the technical scheme, the locking mechanism provides a force for pressing the deformation member towards the limiting part for the compression assembly, so that the deformation member deforms and tightly clamps the sample tube, the purpose of mounting the sample tube on the clamping head is achieved, and in addition, the deformation member is also used for providing sealing for a gap between the sample tube and the clamping head; compared with the mode of fixing the sample tube through manually tightening the clamping sleeve nut, the clamping sleeve nut is tightened by tightening the clamping sleeve nut, the clamping sleeve nut is not required to be screwed at the position of the port of the sample tube by extending the hand into the hand port of an operator, the problem of inconvenient installation caused by small operation space around the sample tube is avoided, and particularly when the sample tube is a U-shaped tube, the distance between two ports of the sample tube is fixed and smaller, and the operator does not need to stretch the hand into the position between the two ports of the U-shaped tube to conduct tightening operation.
In a specific embodiment of the above sample tube clamping device, the locking mechanism includes: the connecting rod is arranged in the through hole in a penetrating way and can move along the axial direction of the through hole, and the first end and the second end of the connecting rod extend out of the through hole; the first stop piece is arranged at the first end of the connecting rod; the second stop piece is arranged at the second end of the connecting rod; the elastic piece is arranged between the first stop piece and the clamping head; and the locking piece is inserted between the pressing assembly and the second stop piece.
Under the condition that the technical scheme is adopted, when the locking piece is inserted between the pressing component and the second stopping piece, the connecting rod is pulled downwards due to the insertion of the locking piece, the first stopping piece moves downwards along with the connecting rod to extrude the elastic piece and generate upward elastic force, the upward force drives the second stopping piece to upwards extrude the locking piece and the pressing component through the connecting rod, and the pressing component upwards extrudes the deformation piece again, so that the deformation piece is deformed and the sample tube is clamped; because the force of extrusion deformation spare is provided by the elastic component, consequently the size of this force is adjustable and stable, the too big or too little condition can not appear, if the too big damage that can cause the sample cell of force of extrusion deformation spare, the too little force of extrusion deformation spare can lead to the fixed infirm or sealed condition emergence.
In a specific embodiment of the above sample tube clamping device, the first stop member includes a stop block and a nut, the stop block and the nut are both sleeved outside the connecting rod, the nut is in threaded connection with the connecting rod, the stop block is connected with one end of the elastic member, and the nut is disposed on one side of the stop block away from the elastic member.
Under the condition of adopting the technical scheme, the nut is in threaded connection with the connecting rod, the relative position of the nut and the connecting rod can be realized by rotating the nut, the position of the stop block on the connecting rod is adjusted and fixed through the nut, the position of the stop block determines the extrusion condition of the elastic piece, the size of the elastic force of the elastic piece is further determined, the force of the elastic piece for providing the compression assembly to extrude the deformation piece is finally determined, and the extrusion force is adjustable.
In a specific embodiment of the sample tube clamping device, a groove is formed in an end face, close to the elastic piece, of the stop block, and the elastic piece is arranged in the groove.
Under the condition of adopting the technical scheme, the groove is used for providing positioning for the assembly of the elastic piece, and is convenient to install.
In a specific embodiment of the above sample tube clamping device, the second end of the connecting rod is provided with a connecting hole, the connecting hole is perpendicular to the axis of the connecting rod, and the second stop piece is inserted into the connecting hole.
Under the condition of adopting the technical scheme, the second stop piece is directly penetrated in the connecting hole, so that the position of the second stop piece is fixed, the assembly is convenient, and the material is saved.
In a specific embodiment of the above sample tube clamping device, a third through hole is formed in the pressing component, and the connecting rod and the second stop member can pass through the third through hole.
Under the condition that the technical scheme is adopted, the connecting rod and the second stop piece downwards penetrate through the third through hole and pass out, and are used for conveniently inserting the locking piece between the pressing component and the second stop piece.
In a specific embodiment of the above sample tube clamping device, the locking member includes a U-shaped opening structure, and the connecting rod between the pressing assembly and the second stopper is clamped with the U-shaped opening.
Under the condition of adopting the technical scheme, when the locking piece is inserted between the pressing component and the second stop piece, the U-shaped opening of the locking piece is aligned with the connecting rod, and after the locking piece is inserted in place, the connecting rod is clamped in the U-shaped opening.
In a specific embodiment of the above sample tube clamping device, the locking member further includes an operation portion connected to the U-shaped opening structure, and the operation portion is bent and disposed relative to the U-shaped opening structure.
Under the condition of adopting the technical scheme, the operation part is used for facilitating the operation of a user, and the user holds the operation part to operate when the locking piece is pulled out or inserted.
In a specific embodiment of the above sample tube clamping device, the pressing assembly includes: the clamping sleeve is sleeved outside the sample tube, one end of the clamping sleeve is arranged in the mounting hole in a penetrating mode, and the deformation piece is arranged between the end face of the clamping sleeve, which is arranged in the mounting hole in a penetrating mode, and the limiting part; the pressing plate is fixedly connected with the clamping sleeve and is arranged between the locking piece and the clamping head.
Under the condition of adopting the technical scheme, the pressing component is arranged into a structure of a clamping sleeve and a pressing plate which are separated and then fixedly connected together, so that the processing is convenient, the waste of materials is reduced, and the cost is saved.
In a specific embodiment of the above sample tube clamping device, the elastic member is a spring.
Under the condition of adopting the technical scheme, the elastic force provided by the spring is good in stability, and the spring is a standard component, so that the cost is low and the spring is easy to obtain.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall structure of a sample tube gripping device of the present utility model;
FIG. 2 is a schematic cross-sectional view of the sample tube gripping device of the present utility model.
List of reference numerals:
The device comprises a 1-clamping head, a 2-sealing ring, a 3-compression assembly, a 4-locking mechanism, a 5-sample tube, a 31-clamping sleeve, a 32-pressing plate, a 41-connecting rod, a 42-first stop piece, a 43-second stop piece, a 44-elastic piece, a 45-locking piece, a 421-stop piece and a 422-nut.
Detailed Description
Some embodiments of the utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application.
It should be noted that, in the description of the present utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate directions or positional relationships, and are merely for convenience of description, but do not indicate or imply that the relevant devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the ordinal terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Based on the problem that in the prior art, the sample tube is inconvenient to operate due to small space when the sample tube is installed, the utility model provides the sample tube clamping device, and aims to press deformation of a deformation member through force provided by a locking mechanism, so that an operator does not need to manually tighten the deformation member, and the problem of inconvenient installation caused by small operation space around the sample tube is avoided.
Referring to fig. 1 and 2, fig. 1 shows the overall structure of the sample tube clamping device of the present utility model, and fig. 2 shows the cross-sectional structure of the sample tube clamping device of the present utility model. The sample tube clamping device comprises: the clamping head 1, the clamping head 1 is provided with a mounting hole, and the open end of the sample tube 5 is penetrated in the mounting hole; the deformation piece is arranged in the mounting hole and sleeved outside the sample tube 5, a limiting part is arranged in the mounting hole and used for providing limiting for the deformation piece, and the deformation piece is preferably a sealing ring 2; the compressing component 3 is sleeved outside the sample tube 5 and used for extruding the deformation piece; the locking mechanism 4 is used for providing a force for pressing the deformation member towards the limiting part direction for the pressing assembly 3 so as to deform the deformation member and clamp the sample tube 5.
Wherein the locking mechanism 4 comprises: the connecting rod 41 is further provided with a through hole, the connecting rod 41 is arranged in the through hole in a penetrating mode and can move along the axial direction of the through hole, and the first end and the second end of the connecting rod 41 extend out of the through hole; a first stopper 42, the first stopper 42 being disposed at a first end of the link 41; a second stopper 43, the second stopper 43 being disposed at the second end of the link 41; an elastic member 44, the elastic member 44 being disposed between the first stopper 42 and the chuck 1; the locking member 45, the locking member 45 is inserted between the pressing assembly 3 and the second stopper 43.
Specifically, the first stop member 42 includes a stop block 421 and a nut 422, the stop block 421 and the nut 422 are both sleeved outside the connecting rod 41, an external thread is provided at a first end head portion of the connecting rod 41, the nut 422 is in threaded connection with the connecting rod 41, the stop block 421 is connected with one end of the elastic member 44, the other end of the elastic member 44 is fixedly connected with the chuck 1, the nut 422 is disposed at one side of the stop block 421 away from the elastic member 44, the relative position between the nut 422 and the connecting rod 41 can be achieved by rotating the nut 422, the position of the stop block 421 on the connecting rod 41 is adjusted and fixed through the nut 422, the position of the stop block 421 determines the condition that the elastic member 44 is extruded, and then determines the magnitude of the elastic force of the elastic member 44, and finally determines the force provided by the elastic member 44 to the compression assembly 3 to compress the deformation member, thereby achieving the adjustability of the extrusion force. The end face of the stop block 421, which is close to the elastic piece 44, is provided with a groove, the elastic piece 44 is arranged in the groove, and the groove is used for providing positioning for the elastic piece 44 during assembly, so that the installation is convenient. The first stop member 42 may only include a stop block 421, where the stop block 421 is provided with an internal thread, and is in threaded connection with an external thread on the connecting rod 41, and the relative position of the stop block 421 and the connecting rod 41 is adjusted by rotating the stop block 421, so as to adjust the elastic force of the elastic member 44.
The second end of connecting rod 41 is provided with the connecting hole, and the axis setting of connecting rod 41 is perpendicular to in the connecting hole, and second backstop piece 43 wears to locate in the connecting hole, realizes the fixed to second backstop piece 43 position, and the equipment is convenient, saves material. Preferably, the second stopper 43 is a cylinder, and the cylindrical surface of the cylinder contacts the locking member 45, facilitating the insertion of the locking member 45. The second stopper 43 may be directly welded to the second end of the connecting rod 41, so long as the second stopper 43 and the connecting rod 41 are fixedly connected.
The locking piece 45 comprises a U-shaped opening structure and an operation part, and the connecting rod 41 between the pressing assembly 3 and the second stop piece 43 is clamped with the U-shaped opening; when the locking piece 45 is inserted between the pressing assembly 3 and the second stopping piece 43, the U-shaped opening of the locking piece 45 is aligned with the connecting rod 41, and after the locking piece 45 is inserted into place, the connecting rod 41 is clamped in the U-shaped opening; the operation part is fixedly connected with the U-shaped opening structure, is bent and arranged relative to the U-shaped opening structure, and is used for being convenient for a user to operate, and when the locking piece 45 is pulled out or inserted into the locking piece 45, the user holds the operation part for operation.
Alternatively, the elastic member 44 is a spring, which is preferably a compression spring, since the spring is a standard member, which is easy to obtain and cost-effective; the elastic member 44 may also be rubber, plastic, air cylinder, etc., and can be adjusted as needed by those skilled in the art, which falls within the scope of the present utility model.
Further, the pressing assembly 3 includes: the clamping sleeve 31 is sleeved outside the sample tube 5, one end of the clamping sleeve 31 is arranged in the mounting hole in a penetrating manner, and the deformation piece is arranged between the end face of the clamping sleeve 31 arranged in the mounting hole in a penetrating manner and the limiting part; the pressing plate 32 is fixedly connected with the clamping sleeve 31, the pressing plate 32 is arranged between the locking piece 45 and the clamping head 1, a third through hole is formed in the pressing plate 32, and the connecting rod 41 and the second stop piece 43 can pass through the third through hole and penetrate out, so that the locking piece 45 can be conveniently inserted between the pressing plate 32 and the second stop piece 43; the pressing component 3 is arranged into a structure that the clamping sleeve 31 and the pressing plate 32 are separated and then are fixedly connected together, so that the processing is convenient, the waste of materials is reduced, and the cost is saved.
Specifically, the mounting hole penetrates through the chuck 1, so that the sample tube 5 can be communicated with the gas path of the chemical adsorption instrument from the other end of the mounting hole after being inserted into the mounting hole; the mounting hole is the shoulder hole, the mounting hole is from inserting the one end of sample cell 5 in proper order including first section, the second section, the third section, the diameter of first section is greater than the diameter of second section, the diameter of second section is greater than the diameter of third section, terminal surface between first section and the second section is spacing portion, terminal surface between second section and the third section is the spacing face of sample cell, deformation spare sets up between terminal surface and the spacing portion in cutting ferrule 31 inserts the first section, cutting ferrule 31 wears to locate in the first section, the open end of sample cell 5 wears to locate in the second section, when sample cell 5 inserts in the dop 1, the open end butt of sample cell 5 is on the spacing face of sample cell.
The sample tube 5 may be a straight tube or a U-shaped tube, and the open end of the sample tube 5 is an end of the sample tube 5 at an open position for adding a sample into the sample tube 5, and the number of the mounting holes is the same as the number of the open ends of the sample tube 5.
When the sample tube clamping device is used for clamping the sample tube 5, firstly, the compression assembly 3 passes through the opening end of the sample tube 5 and is sleeved outside the sample tube 5, then the sealing ring 2 passes through the opening end of the sample tube 5 and is sleeved outside the sample tube 5, and the sealing ring 2 is arranged at the upper end face of the clamping sleeve 31; then the compressing assembly 3 and the sample tube 5 are inserted into the mounting hole together, the sample tube 5 is abutted with the limiting surface of the sample tube, and the sealing ring 2 is abutted with the limiting part; then the connecting rod 41 and the second stopping piece 43 are pulled downwards, the U-shaped opening of the locking piece 45 is aligned with the connecting rod 41 part between the second stopping piece 43 and the clamping head 1, the locking piece 45 is inserted, the connecting rod 41 is loosened, the second stopping piece 43 presses the locking piece 45 and the pressing plate 32 upwards under the action of the elastic piece 44, the clamping sleeve 31 is pressed, the sealing ring 2 is pressed by the clamping sleeve 31, the sealing ring 2 is deformed, the sample tube 5 is held and fastened in the clamping head 1, and meanwhile, the sealing effect is realized; through the operation, the clamping and fixing of the sample tube 5 can be realized only by inserting the locking piece 45 between the pressing plate 32 and the second stop piece 43 without extending hands to two sides of the sample tube 5 to screw the clamping sleeve nuts, so that the problem of inconvenient installation caused by small operation space around the sample tube 5 is solved; in addition, the elastic force of the elastic piece 44 is used for extruding the sealing ring 2 to deform, so that the condition of too large or too small force applied to the sample tube 5 can not occur, and the condition that the sample tube 5 is damaged due to too large force of the extruding deformation piece or the condition that the fixing is not firm or the sealing is not tight due to too small force of the extruding deformation piece can be avoided; furthermore, the nut 422 can be rotated to adjust the force of pressing the sealing ring 2 according to the usage situation, so as to adapt to different usage requirements.
It should be noted that the above-mentioned embodiments are merely for illustrating the principles of the present utility model, and are not intended to limit the scope of the utility model, so that those skilled in the art can modify the above-mentioned embodiments to apply the present utility model to more specific application scenarios without departing from the principles of the present utility model.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. A sample tube clamping device is characterized in that,
The sample tube clamping device comprises:
The clamping head is provided with a mounting hole, and the opening end of the sample tube is penetrated in the mounting hole;
the deformation piece is arranged in the mounting hole and sleeved outside the sample tube, a limiting part is arranged in the mounting hole, and the limiting part is used for providing limiting for the deformation piece;
the compressing assembly is sleeved outside the sample tube and used for compressing the deformation piece;
The locking mechanism is used for providing force for the compressing assembly to extrude the deformation piece in the direction of the limiting part so that the deformation piece deforms and clamps the sample tube.
2. The sample tube gripping device of claim 1, wherein,
The locking mechanism includes:
The connecting rod is arranged in the through hole in a penetrating way and can move along the axial direction of the through hole, and the first end and the second end of the connecting rod extend out of the through hole;
The first stop piece is arranged at the first end of the connecting rod;
the second stop piece is arranged at the second end of the connecting rod;
the elastic piece is arranged between the first stop piece and the clamping head;
And the locking piece is inserted between the pressing assembly and the second stop piece.
3. The sample tube gripping device of claim 2, wherein,
The first stop piece comprises a stop block and a nut, the stop block and the nut are sleeved outside the connecting rod, the nut is in threaded connection with the connecting rod, the stop block is connected with one end of the elastic piece, and the nut is arranged on one side, far away from the elastic piece, of the stop block.
4. The sample tube gripping device of claim 3, wherein,
The stop block is provided with a groove on the end face close to the elastic piece, and the elastic piece is arranged in the groove.
5. The sample tube gripping device of claim 2, wherein,
The second end of the connecting rod is provided with a connecting hole, the connecting hole is perpendicular to the axis of the connecting rod, and the second stop piece penetrates through the connecting hole.
6. The sample tube gripping device of claim 2, wherein,
The pressing component is provided with a third through hole, and the connecting rod and the second stop piece can pass through the third through hole.
7. The sample tube gripping device of claim 2, wherein,
The locking piece comprises a U-shaped opening structure, and the connecting rod between the pressing component and the second stop piece is clamped with the U-shaped opening.
8. The sample tube gripping device of claim 7, wherein,
The locking piece further comprises an operation part connected with the U-shaped opening structure, and the operation part is bent and arranged relative to the U-shaped opening structure.
9. The sample tube gripping device of claim 2, wherein,
The compression assembly includes:
The clamping sleeve is sleeved outside the sample tube, one end of the clamping sleeve is arranged in the mounting hole in a penetrating mode, and the deformation piece is arranged between the end face of the clamping sleeve, which is arranged in the mounting hole in a penetrating mode, and the limiting part;
The pressing plate is fixedly connected with the clamping sleeve and is arranged between the locking piece and the clamping head.
10. The sample tube gripping device of claim 2, wherein,
The elastic piece is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322501868.7U CN221016161U (en) | 2023-09-14 | 2023-09-14 | Sample tube clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322501868.7U CN221016161U (en) | 2023-09-14 | 2023-09-14 | Sample tube clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221016161U true CN221016161U (en) | 2024-05-28 |
Family
ID=91176529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322501868.7U Active CN221016161U (en) | 2023-09-14 | 2023-09-14 | Sample tube clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221016161U (en) |
-
2023
- 2023-09-14 CN CN202322501868.7U patent/CN221016161U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221016161U (en) | Sample tube clamping device | |
| CN219062761U (en) | Automatic on-off gas circuit system for crimping sample tube | |
| CN217334848U (en) | Size-adjustable wire grip | |
| CN217463548U (en) | Nitrogen analyzer with convenient joint replacement | |
| CN110082045B (en) | Auxiliary tool clamp for detecting tightness of cylindrical part | |
| CN207717512U (en) | A kind of bar tensile test fixture | |
| CN220753869U (en) | Clamping cable connector | |
| CN220894105U (en) | Stretching tool for measuring adhesive force of inflating valve of inner tube | |
| CN220303044U (en) | Quick connector of fuel cell and fuel cell air tightness detection device | |
| CN220549146U (en) | Mobile phone support and scooter | |
| CN217633365U (en) | Internal thread plug convenient to install and detach | |
| CN219675388U (en) | Sealing connection for leak detection | |
| CN216622536U (en) | Detection tool for testing feed-through shunt | |
| CN217819713U (en) | Operation line tensile test device | |
| CN218731755U (en) | Fixing structure for solving loosening of clamping wire | |
| CN210650348U (en) | Clamp for pendulum impact test | |
| CN210361050U (en) | Mechanical property test wire clamp | |
| CN218427890U (en) | Track measuring instrument cover plate clamp | |
| CN213180328U (en) | Square impedance tube fixing mechanism and impedance tube unit with same for acoustic test | |
| CN211717707U (en) | Manual sealing device for small hole of part in automobile exhaust system | |
| CN218213052U (en) | Sample cell crimping placement system | |
| CN219801235U (en) | Connection tool for connecting gas production measuring device | |
| CN219830199U (en) | Simple and easy little volume gas cylinder bottom airtight test device | |
| CN220188213U (en) | Special clamping tank for round tensile test of brittle sensitive material | |
| CN217857561U (en) | Cleaning device for be used for GCmass graphite clamping ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |