Sample clamp convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of clamps, and discloses a sample clamp convenient to disassemble and assemble, which comprises a clamp shell and fixing lugs, and further comprises a mounting plate, a mounting block, a clamping plate and an adjusting mechanism, the left side and the right side of the clamp shell are fixedly connected with the fixing lugs, and the adjusting mechanism is arranged in the clamp shell. A mounting plate is arranged at the top of the clamp shell, a mounting block is clamped in the mounting plate, a clamping plate is fixedly connected to the inner side of the mounting block, the clamping plate is limited through the mounting plate, the clamping plate is convenient to replace, a clamping groove is formed in the position, corresponding to the mounting block, of the mounting plate, and the mounting block is clamped in the clamping groove. The clamping block can be driven to be separated from the clamping groove of the mounting block by twisting the threaded rod, so that the clamping plate is replaced, the clamping plate is replaced according to the shape and the size of a sample, the size and the shape of the clamping plate correspond to those of the sample, the contact area is larger, friction is larger, the position of the sample can be stably positioned, and loosening is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, especially a sample fixture convenient to dismount. BACKGROUND

[0002] The sample fixture is a device for fixing and supporting samples, widely used in various experiments and test environments, which can stabilize the position of the sample and replace it according to the shape of the sample through the convenient dismounting function.

[0003] According to the patent network discloses a kind of convenient to dismount's clamp (authorization announcement number is: CN 219465473 U) described in "the utility model discloses a kind of convenient to dismount's clamp, it is related to machining technical field. Including fixture base, the top of the fixture base is provided with limit stop plate, the upper movable connection of the fixture base has fixture top, the inside of the fixture base is provided with installation fixed mechanism. The utility model discloses a kind of installation fixed mechanism, by handle rotation rotating disc, to drive the rotation of rotating rod, make winding connection band winding, the whole connecting plate is pulled down, to make the positioning pin retract into fixture base, subsequently, fixture top is placed into limit stop plate, when fixture top is slid in limit stop plate to corresponding position, positioning pin will pop up, and be inserted into the corresponding card slot in the bottom end of fixture top, to position and fix fixture top, so that the installation of clamp can be completed, when needing to replace clamp, only need to reverse operation and take down fixture top and replace other fixture top, improve the convenience of clamp dismounting replacement."

[0004] For the above description, the applicant believes that the following problems exist:

[0005] The utility model in the use process, since the device is fixedly connected with the clamping plate of fixture top, and the shape of the clamping plate is fixed, when clamping the special-shaped workpiece, the contact area of the flat clamping plate with the sample is small, so it cannot effectively stabilize and position the workpiece, resulting in sample loosening, therefore, a sample fixture convenient to dismount needs to be improved to solve the above problems. Utility model content

[0006] In order to overcome the problem that the contact area of the flat clamping plate with the sample is small when clamping the special-shaped workpiece, so it cannot effectively stabilize and position the workpiece.

[0007] The utility model discloses a technical scheme for a sample clamp convenient to disassemble and assemble, comprising a clamp shell and a fixing lug, and further comprising a mounting plate, a mounting block, a clamping plate and an adjusting mechanism.

[0008] Preferably, the clamp shell is installed at a working position through the fixing lug, the gear is rotated by rotating the crank handle, the two toothed plates are translated by the gear respectively, so that the two clamping plates are synchronously moved to clamp the sample, the sample is stably fixed, the clamping block is separated from the clamping groove of the mounting block by twisting the threaded rod, the mounting block is released from the constraint, and the mounting block can be taken out to replace the clamping plate, the clamping plate corresponding to the shape of the sample is replaced and fixed, and the fixation is more stable and firm.

[0009] Preferably, the mounting plate is provided with a clamping groove at a position corresponding to the mounting block, and the mounting block is clamped in the clamping groove, so that the mounting block is conveniently placed and preliminarily positioned through the clamping groove, to facilitate the subsequent fixation step.

[0010] Preferably, the clamp shell is internally connected with a sliding block, the mounting plate is fixedly connected to the top of the sliding block, the clamping block is slidably connected to the inside of the mounting plate, the clamping block is clamped in the inside of the mounting block, the rotating ring is rotatably connected to the inside of the clamping block, the threaded rod is fixedly connected to the front of the rotating ring, and the threaded rod is threadedly connected to the inside of the mounting plate, so that the position of the clamping block can be adjusted through the threaded rod, the clamping block can be separated or clamped, and the clamping plate can be replaced as required.

[0011] Preferably, the mounting block is provided with a clamping groove at a position corresponding to the clamping block, and the clamping block is clamped in the clamping groove, so that the position of the mounting block can be stably fixed through the clamping block clamped in the clamping groove, and the mounting block is prevented from being separated and loosened.

[0012] Preferably, two sliding blocks are provided, the clamp shell is provided with a sliding groove at a position corresponding to the two sliding blocks, and the two sliding blocks are symmetrically and slidably connected in the sliding groove, so that the sliding block is limited in the sliding groove and can only slide in the sliding groove, and the sliding block is prevented from being separated from the sliding groove.

[0013] Preferably, the adjusting mechanism comprises a positioning rod, the positioning rod is fixedly connected to the inside of the clamp shell, a worm is rotatably connected to the inside of the clamp shell, a crank handle is fixedly connected to the front of the worm, a worm wheel is engaged with the outside of the worm, a rotating rod is fixedly connected to the inside of the worm wheel, the rotating rod is rotatably connected to the inside of the clamp shell, a gear is fixedly connected to the outside of the rotating rod, a toothed plate is engaged with the outside of the gear, the toothed plate is slidably connected to the outside of the positioning rod, and the toothed plate is fixedly connected to the bottom of the sliding block, so that the positions of the two toothed plates can be adjusted by rotating the crank handle, the clamping plates are synchronously moved to approach or separate, and the sample is centrally positioned.

[0014] As preferred, two positioning rods and two toothed plates are respectively arranged, the two positioning rods are symmetrically fixedly connected to the inside of the clamp shell, the two toothed plates are symmetrically engaged to the outside of the gear, one gear can synchronously drive the two toothed plates, the positions of the two toothed plates are controlled, the manufacturing cost is saved, and the use is more convenient and simple.

[0015] The utility model discloses the beneficial effects of:

[0016] 1, through the twist screw rod can drive the clamping block to separate the mounting block's clamping groove, thereby replacing the clamping plate, according to the shape size of sample to replace the clamping plate, the size shape of clamping plate corresponds with the size shape of sample, thereby the contact area is larger and the friction is larger, can the position of sample is positioned stably, prevent loosening. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the mounting plate of the utility model and the connected assembly structure schematic diagram;

[0019] Figure 3 It is the mounting plate sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the adjusting mechanism structure schematic diagram of the utility model;

[0021] Figure 5 It is the adjusting mechanism local structure schematic diagram of the utility model.

[0022] Reference signs: 1, clamp shell;21, sliding block;22, mounting plate;23, mounting block;24, clamping plate;25, clamping block;26, rotating ring;27, threaded rod;31, positioning rod;32, worm;33, swing handle;34, worm wheel;35, rotating rod;36, gear;37, toothed plate;4, fixed lug. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with the drawings and examples.

[0024] Please refer to Figures 1-5The utility model provides an embodiment: a sample clamp convenient to dismount, including clamp shell 1 and fixed lug 4, still include mounting plate 22, mounting block 23, clamping plate 24 and adjusting mechanism, the left side and right side fixed connection of clamp shell 1 has fixed lug 4, the inside of clamp shell 1 is provided with adjusting mechanism, the top of clamp shell 1 is provided with mounting plate 22, the inside joint of mounting plate 22 has mounting block 23, the inside fixed connection of mounting block 23 has clamping plate 24, through mounting plate 22 to clamping plate 24 limit convenient to replace clamping plate 24, through fixed lug 4 can clamp shell 1 install in the working position, through the rotation handle 33 makes gear 36 rotate, through gear 36 respectively drive two toothed plates 37 translation, to make two clamping plate 24 synchronous movement and hold sample, sample carries out steady fixed, twist threaded rod 27 and drive the clamping block 25 and separate the clamping groove of mounting block 23, make mounting block 23 lose the fetters, can take out mounting block 23 and replace clamping plate 24, replace and sample shape correspond clamping plate 24 and fix, fix more stable firm, mounting plate 22 is set up with the clamping groove in the corresponding position of mounting block 23, and mounting block 23 joint is in the clamping groove inside, through the clamping groove convenient to place mounting block 23, to mounting block 23 carry out preliminary positioning, so as to subsequent fixing step.

[0025] Please refer to Figures 1-3 In the embodiment, the inside of clamp shell 1 is slidably connected with a sliding block 21, the mounting plate 22 is fixedly connected to the top of the sliding block 21, the inside of the mounting plate 22 is slidably connected with a clamping block 25, the clamping block 25 is clamped in the inside of the mounting block 23, the inside of the clamping block 25 is rotatably connected with a rotating ring 26, the front surface of the rotating ring 26 is fixedly connected with a threaded rod 27, the threaded rod 27 is threadedly connected to the inside of the mounting plate 22, the position of the clamping block 25 can be adjusted through the threaded rod 27, that is, the clamping block 25 can be separated or clamped, the clamping plate 24 can be replaced as needed, the mounting block 23 is provided with a clamping groove at the corresponding position of the clamping block 25, and the clamping block 25 is clamped in the inside of the clamping groove, the position of the mounting block 23 can be stably fixed by clamping the clamping block 25 in the inside of the clamping groove, to prevent the mounting block 23 from being separated and loose, the sliding block 21 is provided with two, and the clamp shell 1 is provided with a sliding groove at the corresponding position of the two sliding blocks 21, and the two sliding blocks 21 are symmetrically and slidably connected in the inside of the sliding groove, the sliding block 21 is limited in the sliding groove, so that the sliding block 21 can only slide in the sliding groove, to prevent the sliding block 21 from being separated from the sliding groove.

[0026] Please refer to Figure 1 , Figures 4-5In the embodiment, the adjusting mechanism comprises a positioning rod 31 fixedly connected inside the clamp shell 1, a worm 32 rotationally connected inside the clamp shell 1, a crank 33 fixedly connected to the front of the worm 32, a worm wheel 34 meshing with the outside of the worm 32, a rotating rod 35 fixedly connected inside the clamp shell 1, a gear 36 fixedly connected to the outside of the rotating rod 35, a toothed plate 37 meshing with the outside of the gear 36, and the toothed plate 37 slidingly connected to the outside of the positioning rod 31. The toothed plate 37 is fixedly connected to the bottom of the sliding block 21. By rotating the crank 33, the positions of the two toothed plates 37 can be adjusted, so that the clamping plates 24 are synchronously closed or separated, and the sample is centered and positioned. The positioning rod 31 and the toothed plate 37 are provided with two, and the two positioning rods 31 are symmetrically fixedly connected inside the clamp shell 1. The two toothed plates 37 are symmetrically meshed outside the gear 36. By one gear 36, the two toothed plates 37 can be synchronously driven, the positions of the two toothed plates 37 are controlled, the manufacturing cost is saved, and the use is more convenient and simple.

[0027] In operation, the clamp shell 1 is fixed in position by the bolt fastening fixing lug 4. The crank 33 is hand-operated to drive the worm 32, the worm 32 drives the worm wheel 34, the worm wheel 34 drives the rotating rod 35, the rotating rod 35 drives the gear 36, the gear 36 drives the toothed plate 37, the toothed plate 37 slides outside the positioning rod 31, and the toothed plate 37 drives the sliding block 21, the sliding block 21 drives the mounting plate 22, the mounting plate 22 drives the clamping plate 24 through the mounting block 23, the sample is clamped by the clamping plate 24, the threaded rod 27 is twisted to drive the rotating ring 26 to rotate inside the clamping block 25, and then the threaded rod 27 pulls the clamping block 25 out of the clamping groove of the mounting block 23 through the rotating ring 26, so that the mounting block 23 is released, and the clamping plate 24 is replaced.

[0028] Through the above steps, the clamping plate is replaced according to the shape and size of the sample, so that the size and shape of the clamping plate correspond to the size and shape of the sample, so as to solve the problem that when the special-shaped workpiece is clamped, the contact area between the flat clamping plate and the sample is small, and the workpiece cannot be effectively and stably positioned.

Claims

1. A sample holder which is easy to disassemble, comprising a holder housing (1) and a fixing lug (4), characterized in that: Also include the mounting plate (22), mounting block (23), clamping plate (24) and adjusting mechanism, the left side and the right side of the fixture shell (1) are fixedly connected with the fixed lug (4), the inside of the fixture shell (1) is provided with adjusting mechanism, the top of the fixture shell (1) is provided with mounting plate (22), the inside of mounting plate (22) is clamped with mounting block (23), the inside of mounting block (23) is fixedly connected with clamping plate (24), the clamping plate (24) is limited by mounting plate (22) for replacing clamping plate (24).

2. The sample clamp of claim 1, wherein: The mounting plate (22) is provided with a clamping groove at the corresponding position of the mounting block (23), and the mounting block (23) is clamped in the clamping groove.

3. The sample clamp of claim 1, wherein: The inside of the fixture shell (1) is slidably connected with a sliding block (21), the mounting plate (22) is fixedly connected to the top of the sliding block (21), the inside of the mounting plate (22) is slidably connected with a clamping block (25), the clamping block (25) is clamped in the inside of the mounting block (23), the inside of the clamping block (25) is rotatably connected with a rotating ring (26), the front surface of the rotating ring (26) is fixedly connected with a threaded rod (27), and the threaded rod (27) is threadedly connected in the inside of the mounting plate (22).

4. The sample clamp of claim 3, wherein: The mounting block (23) is provided with a clamping groove at the corresponding position of the clamping block (25), and the clamping block (25) is clamped in the clamping groove.

5. The easily disassembled sample holder of claim 3, wherein: The sliding block (21) is provided with two, and the fixture shell (1) is provided with a sliding groove at the corresponding position of the two sliding blocks (21), and the two sliding blocks (21) are symmetrically connected in the sliding groove.

6. The easily disassembled sample holder of claim 1, wherein: The adjusting mechanism comprises a positioning rod (31), the positioning rod (31) is fixedly connected in the inside of the fixture shell (1), the inside of the fixture shell (1) is rotatably connected with a worm (32), the front surface of the worm (32) is fixedly connected with a handle (33), the outside of the worm (32) is engaged with a worm wheel (34), the inside of the worm wheel (34) is fixedly connected with a rotating rod (35), the rotating rod (35) is rotatably connected in the inside of the fixture shell (1), the outside of the rotating rod (35) is fixedly connected with a gear (36), the outside of the gear (36) is engaged with a toothed plate (37), the toothed plate (37) is slidably connected to the outside of the positioning rod (31), and the toothed plate (37) is fixedly connected to the bottom of the sliding block (21).

7. The easily disassembled sample holder of claim 6, wherein: The positioning rod (31) and the toothed plate (37) are respectively provided with two, and the two positioning rods (31) are symmetrically fixedly connected in the inside of the fixture shell (1), and the two toothed plates (37) are symmetrically engaged in the outside of the gear (36).

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