CN218226194U

CN218226194U - Novel optical crystal clamping tweezers

Info

Publication number: CN218226194U
Application number: CN202222226319.9U
Authority: CN
Inventors: 宋慧; 陈芙迪; 王旭平; 刘冰; 魏磊; 邱程程
Original assignee: Shandong Shanke Zhijing Photoelectric Technology Co ltd
Current assignee: Shandong Shanke Zhijing Photoelectric Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-06
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a novel optical crystal centre gripping tweezers, includes first tweezers arm and second tweezers arm, the one end of first tweezers arm and second tweezers arm is close to each other gradually and is connected and form the link, and the other end is kept away from each other gradually and is formed the open end, centre gripping tweezers still include locking mechanical system and fixture, locking mechanical system is including locking screw, the one end of locking screw is connected in one side of first tweezers arm towards second tweezers arm, and the other end passes second tweezers arm threaded connection and has lock nut, fixture symmetrical arrangement is at the open end of first tweezers arm and second tweezers arm, fixture includes fixing suction cup and grip block, fixing suction cup sets up the inboard at the open end of first tweezers arm and second tweezers arm, fixing suction cup that first tweezers arm and second tweezers arm open end set up can adsorb optical crystal's surface, through this kind of fixed mode, need not contact with the hand, also can stably fix the optical crystal by the centre gripping, do not worry the surface of fish tail optical crystal yet.

Description

Novel optical crystal clamping tweezers

Technical Field

The utility model relates to a laser photoelectric components and parts technical field, concretely relates to novel optical crystal centre gripping tweezers.

Background

In the field of photoelectric technology, various optical crystals are often required to be applied to change the propagation mode of guided wave light, so that the technical purposes required by people are achieved, such as application to optical crystals in cameras, night vision devices, telescopes, fingerprint identification and optical experiments, and the optical crystals are key and core components of photoelectric technology.

In the process of optical experiment or crystal production, the optical crystal sometimes needs to be moved manually, and because the optical crystal is a precise optical device, the optical crystal cannot be directly taken by hand, if the optical crystal is touched by hand, grease and impurities attached to the hand can contaminate and corrode the optical crystal, so that the optical crystal cannot be used continuously.

Therefore, the tweezers are mostly used for clamping the optical crystal to operate when the optical crystal is moved at present, but the tweezers for clamping the optical crystal at present are not specialized in the operation of clamping the optical crystal and are not suitable for clamping the optical crystal, on one hand, the contact position of the tweezers and the optical crystal is made of metal materials, the surface of the optical crystal is easy to scratch, on the other hand, the tweezers used at present are not provided with a locking mechanism, a person needs to control the tweezers for a long time when moving the optical crystal, the tweezers are enabled not to be separated from the tweezers, meanwhile, the tweezers are guaranteed not to clamp the optical crystal, the practicability is poor, and the tweezers are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel optical crystal centre gripping tweezers, this centre gripping tweezers have carried out the structure specialization to holding optical crystal, and its position with the optical crystal contact is provided with fixture, and this fixture can stabilize centre gripping optical crystal and still can not the fish tail simultaneously or press from both sides garrulous optical crystal, and this tweezers are provided with locking mechanical system moreover, does not need the experimenter to exert force centre gripping optical crystal always after the locking, and the practicality is stronger, more accords with people's use custom.

The technical scheme of the utility model as follows:

the utility model provides a novel optical crystal centre gripping tweezers, includes two tweezers arms, is first tweezers arm and second tweezers arm respectively, the one end of first tweezers arm and second tweezers arm is close to each other gradually and is connected and form the link, and the other end is kept away from each other gradually and is formed the open end, form the centre gripping space between the open end of first tweezers arm and second tweezers arm, when the centre gripping removed optical crystal, optical crystal placed in the centre gripping space.

Further, the holding forceps further comprise a locking mechanism and a holding mechanism, the locking mechanism comprises a locking screw, one end of the locking screw is connected to one side, facing the second forceps arm, of the first forceps arm, the other end of the locking screw penetrates through the second forceps arm and is in threaded connection with a locking nut, and the relative position between the first forceps arm and the second forceps arm can be locked steplessly by rotating the locking nut.

Further, fixture symmetrical arrangement is at the open end of two tweezers arms, fixture includes fixed sucking disc, fixed sucking disc sets up the inboard at the open end of two tweezers arms, the fixed sucking disc that two tweezers arm open ends set up can adsorb the surface of optical crystal, through this kind of fixed mode, need not contact with the hand, also can stably fix the optical crystal by the centre gripping, still need not worry the surface of fish tail optical crystal.

The novel optical crystal holding tweezers comprise a holding mechanism, wherein the holding mechanism further comprises a holding plate, a fixed sucker of the holding mechanism comprises a sucking disc part, a connecting rod is arranged between the sucking disc part and the opening end of the tweezers arm to be connected, the holding plate is sleeved on the connecting rod, a reset spring is arranged on the outer ring of the connecting rod between the holding plate and the opening end of the tweezers arm, a sucking disc cavity is arranged at the position of the holding plate, which is in contact with the sucking disc part, and the sucking disc cavity can contain the sucking disc part. The clamping plate can push the optical crystal to be separated from the sucker part of the fixed sucker, and the sucker part of the fixed sucker can be retracted into the sucker cavity.

Furthermore, the depth of the sucker cavity is 1-2mm greater than the height of the sucker part, so that the sucker part can be completely retracted into the sucker cavity.

Furthermore, the connecting rod is in threaded connection with the open ends of the forceps arms, so that the clamping mechanism is conveniently installed at the open ends of the two forceps arms, and the clamping mechanism is conveniently replaced.

Further, the grip block is provided with the silica gel cushion in the one side with optical crystal surface contact, the silica gel cushion can increase the frictional force on grip block and optical crystal surface.

According to the novel optical crystal clamping forceps, the position between the open ends and the connecting end of the two forceps arms is the middle part, and the locking screw of the clamping mechanism is fixedly connected to the middle part of the first forceps arm, penetrates through the middle part of the second forceps arm and is in threaded connection with the locking nut.

Furthermore, a connecting hole is formed in the position, through which the middle of the second forceps arm penetrates by the locking screw, of the connecting hole, the connecting hole is oval, and the edge of the connecting hole can be prevented from being clamped by threads of the locking screw due to the fact that the connecting hole is oval in shape.

Furthermore, be provided with the cushion between lock nut and the second tweezers arm outside, after having set up the cushion, can make and closely laminate between second tweezers arm outside surface and the lock nut.

Preferably, the open end is inclined by 10-20 degrees relative to the middle part to form an elbow, so that a user holding the forceps can conveniently grip the optical crystal with small volume.

The utility model discloses for the beneficial effect that prior art gained lie in:

a novel optical crystal centre gripping tweezers, the fixed suction cup that centre gripping tweezers fixture used can be stabilized the absorption to the glossy surface of optical crystal, effectively prevents to follow at the in-process optical crystal that shifts the tweezers drops, and the soft sucking disc portion of fixed suction cup can also avoid the optical crystal surface by the fish tail, fixture still includes elastic connection's grip block, and when needs put down the optical crystal by the centre gripping, elastic connection's grip block can push away optical crystal from inhaling the dish portion, removes optical crystal surface and the being connected of inhaling the dish portion, and it is more convenient to use.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

fig. 1 is a schematic structural diagram of a novel optical crystal holding tweezers in embodiment 1 of the present invention;

fig. 2 is a side view of the holding forceps according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of the opening end in embodiment 1 of the present invention;

fig. 4 is a sectional view of the holding mechanism according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of the locking mechanism according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of the intermediate portion according to embodiment 1 of the present invention;

wherein the reference numerals denote:

1. a first forceps arm; 2. a second forceps arm; 3. a connecting end; 4. an open end; 5. an intermediate portion; 6. a locking mechanism; 61. locking the screw rod; 62. a locking nut; 63. a cushion pad; 64. connecting holes; 7. a clamping mechanism; 71. fixing the sucker; 72. a clamping plate; 73. a connecting rod; 74. a chuck section; 75. a return spring; 76. a sucker cavity; 77. silica gel cushion.

Detailed Description

Example 1

Referring to fig. 1-6, a novel optical crystal holding forceps comprises two forceps arms, namely a first forceps arm 1 and a second forceps arm 2, one ends of the first forceps arm 1 and the second forceps arm 2 gradually approach each other and are connected to form a connecting end 3, the other ends of the first forceps arm 1 and the second forceps arm 2 gradually depart from each other to form an open end 4, a holding space is formed between the open ends 4 of the first forceps arm 1 and the second forceps arm 2, and when the optical crystal is held and moved, the optical crystal is placed in the holding space and held by the open ends 4 of the first forceps arm 1 and the second forceps arm 2.

Referring to fig. 5 and 6, the holding forceps further comprise a locking mechanism 6 and a holding mechanism 7, the locking mechanism 6 comprises a locking screw 61, one end of the locking screw 61 is connected to one side of the first forceps arm 1 facing the second forceps arm 2, the other end of the locking screw passes through the second forceps arm 2 and is in threaded connection with a locking nut 62, the relative position between the first forceps arm 1 and the second forceps arm 2 can be locked steplessly by rotating the locking nut 62, so that the holding forceps can stably hold optical crystals of various sizes, after the holding forceps are locked, a person is not required to apply force to the holding forceps continuously, and the use is more convenient.

Furthermore, the position between the open end 4 and the connecting end 3 of the two forceps arms is the middle part 5, and the locking screw 61 of the clamping mechanism 7 is fixedly connected to the middle part 5 of the first forceps arm 1, passes through the middle part 5 of the second forceps arm 2, and is in threaded connection with the locking nut.

Furthermore, a connecting hole 64 is formed in the position, through which the locking screw 61 penetrates, of the middle portion 5 of the second forceps arm 2, preferably, the connecting hole 64 is oval in shape, when the two forceps arms are pinched, relative rotation movement is performed between the two forceps arms, and the connecting hole 64 is oval in shape, so that the phenomenon that the edges of the connecting hole 64 are clamped by the threads of the locking screw 61 to affect normal use of the clamping forceps can be avoided.

Further, be provided with buffering cushion 63 between the 2 outsides of lock nut and second tweezers arm, when lock nut threaded connection is on locking screw, 2 outside surfaces of second tweezers arm can't closely laminate with lock nut, and lock nut produces loosely and tightly makes distance increase between the open end 4 of centre gripping tweezers leads to being followed between fixture 7 by the optical crystal of centre gripping and drops, and has set up after buffering cushion 63, can make and closely laminate between 2 outside surfaces of second tweezers arm and the lock nut, effectively avoids the emergence of above-mentioned condition.

Preferably, the open end 4 is inclined by 10-20 degrees relative to the middle portion 5 to form an elbow, which is convenient for a user holding the tweezers to grip a small-sized optical crystal.

Further, fixture 7 symmetrical arrangement is at the open end 4 of two tweezers arms, fixture 7 includes fixed sucking disc 71 and grip block 72, fixed sucking disc 71 sets up the inboard at the open end 4 of two tweezers arms, when using when centre gripping tweezers centre gripping removes optical crystal, and the user pinches on two tweezers arms, fixed sucking disc 71 that two tweezers arm open ends 4 set up can adsorb optical crystal's surface, through this kind of fixed mode, need not contact with the hand, also can stably fix the optical crystal by the centre gripping, still need not worry the surface of fish tail optical crystal, effectively protects optical crystal, prolongs optical crystal's life.

Referring to fig. 2 and 3, the clamping mechanism 7 further includes a clamping plate 72, the fixed suction cup 71 of the clamping mechanism 7 includes a suction cup portion 74, a connecting rod 73 is arranged between the suction cup portion 74 and the open end 4 for connection, the clamping plate 72 is sleeved on the connecting rod 73, a return spring 75 is arranged on an outer ring of the connecting rod 73 between the clamping plate 72 and the open end 4 of the forceps arm, a suction cup cavity 76 is arranged at a position where the clamping plate 72 contacts with the suction cup portion 74, and the suction cup cavity 76 can accommodate the suction cup portion 74. When the holding forceps are used for holding an optical crystal, the two forceps arms are pinched by force, the holding plate 72 can be firstly contacted with the surface of the optical crystal, then the force is continuously applied to the two forceps arms, the reset spring 75 can be compressed, the suction cup portion 74 of the fixed suction cup 71 extends out of the suction cup cavity 76 and is adsorbed on the surface of the optical crystal, so that the optical crystal is adsorbed and fixed, when the held optical crystal needs to be put down, under the action of the elastic force of the reset spring 75, the holding plate 72 can push the optical crystal to be separated from the suction cup portion 74 of the fixed suction cup 71, the suction cup portion 74 of the fixed suction cup 71 can be retracted into the suction cup cavity 76, and the situation that the suction cup portion 74 of the fixed suction cup 71 is still adsorbed on the surface of the optical crystal after the two forceps arms of the holding forceps are loosened is avoided.

Further, the depth of the chuck cavity 76 is 1-2mm greater than the height of the chuck section 74, ensuring that the chuck section 74 can be fully retracted into the chuck cavity 76 and completely separated from the optic surface.

Further, the connecting rod 73 is in threaded connection with the opening end 4, so that the clamping mechanism 7 can be conveniently installed at the opening ends 4 of the two forceps arms, the clamping mechanism 7 can be conveniently replaced, and the clamping forceps can stably clamp and move optical crystals with different sizes and shapes by replacing the clamping plate 72 and the fixed sucker 71 with different sizes and shapes.

Further, grip block 72 is provided with silica gel cushion 77 in the one side with optical crystal surface contact, silica gel cushion 77 can increase the frictional force on one hand grip block 72 and optical crystal surface, further prevents that the in-process optical crystal that the centre gripping removed from drop on the centre gripping tweezers, and on the other hand can cushion between optical crystal surface and grip block 72, avoids grip block 72 fish tail optical crystal surface or because of the uneven garrulous optical crystal that presss from both sides of atress.

Claims

1. The novel optical crystal holding forceps are characterized by comprising two forceps arms, namely a first forceps arm (1) and a second forceps arm (2), wherein one ends of the first forceps arm (1) and the second forceps arm (2) are gradually close to each other and connected to form a connecting end (3), and the other ends of the first forceps arm and the second forceps arm are gradually far away from each other to form an open end (4);

the clamping forceps further comprise a locking mechanism (6) and a clamping mechanism (7), the locking mechanism (6) comprises a locking screw (61), one end of the locking screw (61) is connected to one side, facing the second forceps arm (2), of the first forceps arm (1), and the other end of the locking screw penetrates through the second forceps arm (2) and is in threaded connection with a locking nut (62);

the optical crystal tweezers are characterized in that the clamping mechanisms (7) are symmetrically arranged at the open ends (4) of the two tweezers arms, each clamping mechanism (7) comprises a fixed sucker (71), the fixed suckers (71) are arranged on the inner sides of the open ends (4) of the two tweezers arms, and the fixed suckers (71) can adsorb the surface of an optical crystal.

2. The novel optical crystal holding forceps as claimed in claim 1, wherein the holding mechanism (7) further comprises a holding plate (72), the fixed suction cup (71) comprises a holding cup portion (74), a connecting rod (73) is arranged between the holding cup portion (74) and the open end (4) of the forceps arm for connection, the holding plate (72) is sleeved on the connecting rod (73), a return spring (75) is arranged on the outer ring of the connecting rod (73) between the holding plate (72) and the open end (4) of the forceps arm, a holding cup cavity (76) is arranged on the holding plate (72) at a position contacting with the holding cup portion (74), the holding cup portion (74) can be accommodated in the holding cup cavity (76), and the holding plate (72) can push the optical crystal to be separated from the holding cup portion (74).

3. A novel optical crystal holding forceps as claimed in claim 2, characterized in that the depth of the suction cup cavity (76) is 1-2mm greater than the height of the suction cup portion (74).

4. A novel optical crystal holding forceps as claimed in claim 3, characterized in that the connecting rod (73) is screwed to the forceps arms.

5. A novel optical crystal holding forceps as claimed in claim 4, characterized in that the holding plate (72) is provided with a silicone cushion (77) on the side that contacts the surface of the optical crystal.

6. The novel optical crystal holding forceps as claimed in claim 1, wherein the portion between the open end (4) and the connecting end (3) of the two forceps arms is an intermediate portion (5), and the locking screw (61) of the holding mechanism (7) is fixedly connected to the intermediate portion (5) of the first forceps arm (1) and passes through the intermediate portion (5) of the second forceps arm (2) to be in threaded connection with the locking nut.

7. A novel optical crystal holding forceps as claimed in claim 6, characterized in that a connection hole (64) is provided at a position where the middle part (5) of the second forceps arm (2) is passed through by a locking screw (61), and the shape of the connection hole (64) comprises an ellipse.

8. A novel optical crystal holding forceps as claimed in claim 7, characterized in that a buffer cushion (63) is provided between the locking nut and the outside of the second forceps arm (2).

9. A novel optical crystal holding forceps as claimed in claim 8, characterized in that the open end (4) is inclined at 10-20 degrees to the intermediate part (5).