CN210968617U - Clamp capable of adjusting clamping length of sample - Google Patents
Clamp capable of adjusting clamping length of sample Download PDFInfo
- Publication number
- CN210968617U CN210968617U CN201922076672.1U CN201922076672U CN210968617U CN 210968617 U CN210968617 U CN 210968617U CN 201922076672 U CN201922076672 U CN 201922076672U CN 210968617 U CN210968617 U CN 210968617U
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- positioning screw
- eccentric
- sample
- outer cylinder
- clamping head
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Abstract
The utility model belongs to sample clamping device field especially relates to an anchor clamps of adjustable sample centre gripping length, and its structure is: the positioning screw rod can be screwed together with the outer cylinder through threads, and the positioning screw rod is enabled to carry out spiral reciprocating motion in the outer cylinder, the rubber fixing ring is filled in one port of the outer cylinder, and the outer edge of the rubber fixing ring is tightly attached to the inner wall of the outer cylinder; the lower part of the outer barrel is provided with a plurality of gaps, one end of the eccentric clamping head penetrates out of the gaps, the other end of the eccentric clamping head is connected with the fixed shaft in the outer barrel, the eccentric clamping head is fixed on the surface of the fixed shaft along the axial direction of the fixed shaft to form an eccentric structure, the fixed shaft is tightly attached to the outer edge of the rubber fixed ring, and a stop rod is arranged on the fixed shaft along the axis, so that the eccentric clamping head can rotate around the fixed. The utility model discloses the simple operation can the length of accurate control sample centre gripping to adopted the rubber retainer plate as clamping device, can not harm the surface of sample again when pressing from both sides tightly, facilitate promotion and application.
Description
Technical Field
The utility model belongs to sample clamping device field especially relates to an anchor clamps of adjustable sample centre gripping length.
Background
This information disclosed in the background of the invention is only for the purpose of increasing an understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
When a cylindrical sample or a square cylindrical sample is processed, the sample needs to be clamped in advance so as to be convenient for operating the sample, but a common clamp cannot clearly clamp the length of the sample and cannot accurately process the sample; when the degree of clamping the sample by the clamp is too tight, the outer surface of the sample is damaged; in the case of polishing a crystal phase of a sample, it is sometimes necessary to clarify the length of the sample, and therefore, a jig capable of adjusting the holding length of the sample and protecting the outer surface of the sample is strongly required.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the foretell prior art, the utility model aims at providing an anchor clamps of adjustable sample centre gripping length, the device can be according to actual needs, conveniently adjusts out the length that needs the centre gripping in advance.
In order to achieve the above object, the technical solution of the present invention is specifically as follows:
a specimen grip length adjustable clamp comprising: positioning screw, urceolus, eccentric clamping head, fixed axle and rubber retainer plate, wherein: the positioning screw rod can be screwed together with the outer barrel through threads, the positioning screw rod is enabled to perform spiral reciprocating motion in the outer barrel, the rubber fixing ring is filled in one port of the outer barrel, the port and the opening of the rubber fixing ring are used for placing a sample, and the outer edge of the rubber fixing ring is tightly attached to the inner wall of the outer barrel; the lower part of urceolus is provided with a plurality of breach, and the breach is worn out to the one end of eccentric clamp head, and the other end is connected with the fixed axle in the urceolus, and fixes on the fixed axle surface along the axial of fixed axle and form eccentric structure, the fixed axle hugs closely rubber retainer ring outer fringe setting, and is provided with the shelves pole along the axis direction on the fixed axle, makes eccentric clamp head can be rotatory round the fixed axle.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained:
(1) the utility model discloses an anchor clamps of this kind can make its rise/descend through rotatory positioning screw according to the needs of reality to observe the scale interval on the positioning screw, adjust out the length that needs the centre gripping in advance, place the sample in the positioning screw below, live the sample with rubber retainer plate parcel, rubber retainer plate is in the inside of urceolus, places four eccentric clamp heads of back spin, and eccentric clamp head can extrude rubber retainer plate and make it press from both sides tight sample.
(2) The utility model discloses the simple operation can the length of accurate control sample centre gripping to adopted the rubber retainer plate as clamping device, can not harm the surface of sample again when pressing from both sides tightly, facilitate promotion and application.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural view of the fixture capable of adjusting the clamping length of the sample according to the embodiment of the present invention.
Fig. 2 is a partial enlarged view of an eccentric clamping head portion according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the positioning screw in the embodiment of the present invention.
Fig. 4 is a schematic structural view of a clamp capable of adjusting a clamping length of a sample according to another embodiment of the present invention.
Fig. 5 is a schematic structural view of a clamp capable of adjusting a clamping length of a sample according to another embodiment of the present invention.
The reference numerals in the drawings denote: 1-a positioning screw rod, 2-an outer cylinder, 3-an eccentric clamping head, 4-a fixed shaft, 5-a sample, 6-a rubber fixed ring, 7-a stop lever, 8-a circular table, 9-a non-threaded belt and 10-an open long round hole.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background, when a cylindrical sample or a square cylindrical sample is processed, the sample needs to be clamped in advance to facilitate handling of the sample. To this end, the present invention provides a clamp with adjustable sample clamping length, which is further described with reference to the accompanying drawings 1-2 and the detailed description.
First embodimentRoot of Chinese ginsengReferring to fig. 1 and 2, the present invention provides an adjustable clamping length fixture, which comprises: positioning screw 1, urceolus 2, eccentric clamping head 3, fixed axle 4 and rubber retainer plate 6, wherein:
the positioning screw rod 1 can be screwed together with the outer barrel 2 through threads, the positioning screw rod 1 is enabled to perform spiral reciprocating motion in the outer barrel 2, the rubber fixing ring 6 is filled in one port of the outer barrel 2, the port and the hole of the rubber fixing ring are used for placing a sample 5 to be clamped, and the outer edge of the rubber fixing ring 6 is tightly attached to the inner wall of the outer barrel 2.
The lower part of urceolus 2 is provided with a plurality of breach, and the breach is worn out to the one end of eccentric tight head 3, and the other end is connected with fixed axle 4 in the urceolus 2, and fixes on the fixed axle 4 surface along the axial of fixed axle 4 and form eccentric structure, 6 outer fringe settings are hugged closely to fixed axle 4, and are provided with shelves pole 7 along the axis direction on the fixed axle 4, make eccentric tight head 3 can be rotatory round fixed axle 4.
When the position of the eccentric clamping head 3 is as shown in fig. 1 and 2, the rubber fixing ring 6 is in a relaxed state, when the eccentric clamping head 3 rotates upwards, the eccentric clamping head 3 can press the rubber fixing ring 6 inwards, and the rubber fixing ring 6 can press and clamp the sample 5 after being pressed.
It is understood that on the basis of the first embodiment, the following technical solutions including but not limited to the following may be derived to solve different technical problems and achieve different purposes of the invention, and specific examples are as follows:
second embodimentThe positioning screw rod 1 and the outer cylinder 2 are connected together through threads and can move in an up/down spiral mode, a sample 5 is arranged under the positioning screw rod 1, the upper surface of the sample 5 is attached to the lower surface of the positioning screw rod 1, a rubber fixing ring 6 is arranged under the positioning screw rod 1 and on the periphery of the sample 5, and the rubber fixing ring 6 is plugged into the outer cylinder 2. Four notches with the width equivalent to that of the fixed shaft 4 are arranged below the outer cylinder 2; the eccentric clamping head 3 is in a block shape, and the width and the height of the gap are respectively larger than those of the eccentric clamping head 3, so that the eccentric clamping head 3 can rotate upwards around the fixed shaft 4.
Third embodimentThe circumference surface of positioning screw 1 sets up the external screw thread, and the inner wall of urceolus 2 sets up the internal thread, and positioning screw 1 passes through with urceolus 2 the meshing of inside and outside screw thread links together, makes positioning screw 1 can carry out the spiral motion that rises or descend relatively moreover, and the lower part of positioning screw 1 sets up to the shape of the less round platform 8 of a diameter, and the lower surface of this round platform is level and smooth (refer to figure 3), can fix a position with the upper surface laminating of sample 5. A gap is reserved between the rubber fixing ring 6 and the round table 8 of the positioning screw rod 1, so that the rubber fixing ring 6 can be expanded upwards when being extruded and expanded.
Fourth embodimentReferring to fig. 3, the side surface of the positioning screw 1 is provided with a strip-shaped non-threaded belt 9, and a graduated scale is arranged on the surface of the area, so that the distance between the lower surface of the positioning screw 1 and the bottom surface of the outer cylinder 2 can be accurately read, and the clamping length of the sample can be accurately controlled by adjusting the length of the positioning screw 1 in the outer cylinder 2.
Fifth embodimentReferring to fig. 4 and 5, the lower gap of the outer cylinder 2 is an open-type oblong hole 10, the opening of the hole extends to the lower end edge of the outer cylinder 2, the circular arc part of the hole extends along the axial direction of the outer cylinder, the fixing shaft 4 of the eccentric clamping head 3 is located inside the outer cylinder 2, and the other end of the eccentric clamping head 3 penetrates through the open-type oblong hole 10 and then is outside the outer cylinder 2, so that the eccentric clamping head 3 can be turned upwards along the open-type oblong hole 10 under the constraint of the stop lever 7. Because the eccentric clamping head 3 is an eccentric structure, when the eccentric clamping head 3 is in a horizontal state, the rubber fixing ring 6 is in a relaxed state, after the eccentric clamping head 3 turns upwards, the fixing shaft 4 of the eccentric clamping head 3 can extrude the rubber fixing ring 6 inwards, and the rubber fixing ring 6 can extrude the clamping sample 5 after being extruded.
After positioning screw 1 determined the centre gripping length of sample 5, the below location of positioning screw 1 can be placed to sample 5, rubber retainer plate 6 is placed in positioning screw 1's below, the parcel lives sample 5, rubber retainer plate 6 fills in the inside of urceolus 2, play preliminary fixed action to sample 5, different hole shapes can be selected according to sample 5's shape and specification to rubber retainer plate 6, just so can be better with sample 5 cooperation, and can not cause the damage to sample 5's surface.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an anchor clamps of adjustable sample centre gripping length which characterized in that includes: positioning screw, urceolus, eccentric clamping head, fixed axle and rubber retainer plate, wherein:
the positioning screw rod can be screwed together with the outer barrel through threads, the positioning screw rod is enabled to perform spiral reciprocating motion in the outer barrel, the rubber fixing ring is filled in one port of the outer barrel, the port and the opening of the rubber fixing ring are used for placing a sample, and the outer edge of the rubber fixing ring is tightly attached to the inner wall of the outer barrel; the lower part of urceolus is provided with a plurality of breach, and the breach is worn out to the one end of eccentric clamp head, and the other end is connected with the fixed axle in the urceolus, and fixes on the fixed axle surface along the axial of fixed axle and form eccentric structure, the fixed axle hugs closely rubber retainer ring outer fringe setting, and is provided with the shelves pole along the axis direction on the fixed axle, makes eccentric clamp head can be rotatory round the fixed axle.
2. The specimen clamping length adjustable clamp according to claim 1, wherein the positioning screw is screwed with the outer cylinder and can perform up/down screw-type movement, the width of the gap is equivalent to the width of the fixed shaft, the eccentric clamping head is block-shaped, and the width and the height of the gap are respectively larger than the width, the thickness and the height of the eccentric clamping head.
3. The specimen clamping length adjustable clamp according to claim 1, wherein the circumferential surface of the positioning screw is provided with an external thread, the inner wall of the outer cylinder is provided with an internal thread, the positioning screw and the outer cylinder are connected together by meshing of the internal thread and the external thread, one end of the positioning screw close to the notch is a circular truncated cone with a diameter smaller than that of the positioning screw, and the lower surface of the circular truncated cone is flat.
4. The specimen clamping length adjustable clamp of claim 3, wherein a gap is left between said rubber retainer ring and the circular table of the positioning screw.
5. The specimen grip length adjustable clamp of any one of claims 1 to 4, wherein the positioning screw has a side surface leaving an elongated non-threaded band, and a scale is provided on the surface in this region.
6. The specimen grip length adjustable clamp according to any one of claims 1 to 4, wherein the notch is an open-type oblong hole, the opening of the hole extends to the lower end edge of the outer cylinder, the circular arc part of the hole extends along the axial direction of the outer cylinder, the fixed shaft of the eccentric clamping head is positioned inside the outer cylinder, and the other end of the eccentric clamping head (3) penetrates through the open-type oblong hole and then is outside the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922076672.1U CN210968617U (en) | 2019-11-26 | 2019-11-26 | Clamp capable of adjusting clamping length of sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922076672.1U CN210968617U (en) | 2019-11-26 | 2019-11-26 | Clamp capable of adjusting clamping length of sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210968617U true CN210968617U (en) | 2020-07-10 |
Family
ID=71422411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922076672.1U Expired - Fee Related CN210968617U (en) | 2019-11-26 | 2019-11-26 | Clamp capable of adjusting clamping length of sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210968617U (en) |
-
2019
- 2019-11-26 CN CN201922076672.1U patent/CN210968617U/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: 20200710 Termination date: 20201126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |