CN109262542B - Clamping device for limited space in shelter power station - Google Patents
Clamping device for limited space in shelter power station Download PDFInfo
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- CN109262542B CN109262542B CN201811248034.7A CN201811248034A CN109262542B CN 109262542 B CN109262542 B CN 109262542B CN 201811248034 A CN201811248034 A CN 201811248034A CN 109262542 B CN109262542 B CN 109262542B
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- 230000000903 blocking effect Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a clamping device for a limited space in a shelter power station, which relates to the technical field of clamping tools and comprises a first clamping arm, a second clamping arm and a clamping piece, wherein a first clamping piece is fixed at the front end of the first clamping arm, a first holding part is fixed at the rear end of the first clamping arm, and the first clamping piece is connected with the first holding part through a first connecting rod; the front end of the second clamping arm is fixed with a second clamping piece corresponding to the first clamping piece, the rear end of the second clamping arm is fixed with a second holding part, the second clamping piece is connected with the second holding part through a second connecting rod, and the first connecting rod is connected with the second connecting rod through a pin shaft; the clamping piece with first centre gripping piece is connected, be equipped with the accommodation space that holds first by the centre gripping part on the clamping piece, be applicable to the installation of gasket and nut in the restricted space, novel structure, convenient operation.
Description
Technical Field
The invention relates to the technical field of clamping tools, in particular to a clamping device for a limited space in a shelter power station.
Background
In practical use, the washer is usually placed by manual screwing, and then the nut is screwed by a wrench, which is suitable for most installation or maintenance work, but once the installation space of the fastener is too narrow, for example, in a shelter power station, when a hand cannot sleeve the washer and the nut into the end of the bolt through simple operation, the conventional manual mode is very troublesome to implement, and even cannot be installed.
Designing a clamping device that can place and install fasteners such as nuts and washers in confined spaces is a major technical problem for those skilled in the art.
Disclosure of Invention
In order to solve the technical problems that in the prior art, fasteners such as nuts and washers are difficult to put into a limited space and install in the limited space, the invention provides a clamping device for the limited space in a shelter power station, and the clamping device can put the nuts and washers into the limited space to be connected with the fasteners such as bolts.
To achieve the above technical object, the present invention discloses a clamping device for a limited space in a shelter power station, comprising: the front end of the first clamping arm is fixedly provided with a first clamping piece, the rear end of the first clamping arm is fixedly provided with a first holding part, and the first clamping piece is connected with the first holding part through a first connecting rod; the front end of the second clamping arm is fixed with a second clamping piece corresponding to the first clamping piece, the rear end of the second clamping arm is fixed with a second holding part, the second clamping piece is connected with the second holding part through a second connecting rod, and the first connecting rod is connected with the second connecting rod through a pin shaft; and the clamping piece is connected with the first clamping piece, and an accommodating space for accommodating the first clamped part is formed in the clamping piece.
In the clamping device, the first clamping piece and the second clamping piece are sheet-shaped, and when the first clamping arm and the second clamping arm are operated, the first clamping piece and the second clamping piece can clamp a second clamped part (such as a gasket), so that the clamping device is suitable for mounting the second clamped part in a limited space; the accommodating space can provide axial support for the first clamped part (such as a nut), and particularly when the first clamped part is installed upwards, the first clamped part is placed in the accommodating space to play a role in supporting the first clamped part; the first and second gripping portions facilitate the operator's gripping and manipulating the gripping device.
Preferably, the inner contour of the accommodating space is matched with the outer contour of the first clamped part, so that torque can be provided for screwing the first clamped part.
Preferably, the accommodating space is a through hole, the through hole penetrates through the first clamping piece, the second clamping piece can provide axial support for the first clamped part, and particularly when the first clamped part is installed to the upper side, the second clamping piece forms the bottom surface of the accommodating space and plays a role in supporting the first clamped part.
Preferably, the first clamping piece is provided with a first connecting portion in a hole shape, the outer outline of the clamping piece is provided with a second connecting portion matched with the shape of the first connecting portion, the first connecting portion is detachably connected with the second connecting portion, different clamping pieces can be replaced according to first clamped parts in different specifications, and the application range of the clamping device is enlarged.
Preferably, the first connecting portion comprises a mounting hole, the second connecting portion comprises a concave portion, the mounting hole is opposite to the concave portion, a spheroid and an elastic element are arranged in the mounting hole, one end of the elastic element is connected with the spheroid, the other end of the elastic element is connected with the bottom of the mounting hole, and the spheroid is connected with the concave portion in a clamping mode. On the one hand, when the clamping piece is connected with the first clamping piece, the inner wall of the second connecting part presses the spherical body, and the spherical body compresses the elastic element and retreats into the mounting hole; when the spheroid is in butt joint with the concave part, the elastic element pushes out the spheroid, and one part of the spheroid is clamped into the concave part, so that the clamping piece is connected with the first clamping piece; when the clamping piece is replaced, the clamping piece is pressed, and when the pressing acting force reaches a certain value, the spherical body compresses the elastic element under the action of the concave part and retreats into the mounting hole, so that the clamping piece is separated from the first clamping piece, and the clamping piece is quickly replaced; on the other hand, when the clamping piece is connected with the first clamping piece, the clamping piece can be prevented from easily falling off from the first clamping piece.
Preferably, the first connecting rod and the second connecting rod are staggered in the axial direction of the pin shaft, the inner side of the first clamping piece is provided with a first surface, the inner side of the first connecting rod is provided with a second surface, and the second surface protrudes out of the first surface; the inner side of the second clamping piece is provided with a third surface, the inner side of the second connecting rod is provided with a fourth surface, and the fourth surface protrudes out of the third surface. When the first clamping arm and the second clamping arm are combined, on one hand, a smaller space is reserved between the inner side surface of the first clamping piece and the inner side surface of the second clamping piece, so that a flaky second clamped part can be clamped conveniently, and the first clamping piece and the second clamping piece have smaller total thickness when combined, so that the first clamping piece and the second clamping piece can be put into a narrow limited space for operation conveniently; on the other hand, the first clamping arm and the second clamping arm are overlapped in the extending direction of the first clamping piece, and the first clamping arm and the second clamping arm are overlapped, so that the bearing capacity of the clamping device can be increased, and further, larger torque can be provided for screwing and connecting a first clamped part; in still another aspect, the first clamping piece contacts with the end part of the second connecting rod, the second clamping piece contacts with the end part of the first connecting rod, the first clamping arm and the second clamping arm are mutually meshed to form a wrench structure with strong integrity, and the bearing capacity of the clamping device is further improved.
Preferably, the distance between the first surface and the second surface is equal to the thickness of the second clamping piece; the distance between the third surface and the fourth surface is equal to the thickness of the first clamping piece; the thickness of the first clamping piece is half of the thickness of the first connecting rod, the thickness of the second clamping piece is half of the thickness of the second connecting rod, when the clamping devices are combined, the first connecting rod and the second connecting rod are completely overlapped, the first clamping piece and the second clamping piece are attached, the thickness of the first clamping piece and the second clamping piece after being combined is the same as the width of the first connecting rod and the second connecting rod, and the structure is compact and the appearance is attractive.
Preferably, one side of the clamping piece is provided with a plurality of elastic cards and a plurality of trigger columns corresponding to the elastic cards one by one, the elastic cards are symmetrically arranged about the central axis of the accommodating space, the fixed ends of the elastic cards are connected with the clamping piece, and the free ends of the elastic cards are naturally bent towards the central axis direction of the accommodating space and are used for clamping the second clamped part; the trigger post penetrates through the clamping piece and is connected with the clamping piece in an axial sliding manner; when the first clamping piece and the second clamping piece are close to each other, one end of the trigger post is propped against the second clamping piece, and the other end of the trigger post is propped against the inner side of the elastic card and is used for supporting the free end of the elastic card to move in a direction away from the central axis so as to release the second clamped part; the first clamped part is arranged at the accommodating space in the clamping piece, a certain distance is kept between the first clamping piece and the second clamping piece, then the second clamped part is arranged at the inner side of the free end of the elastic card, and when the elastic card is installed, the first clamping arm and the second clamping arm are operated to enable the first clamping piece and the second clamping piece to move towards the direction of approaching to each other, the second clamping piece extrudes the trigger post to enable the trigger post to move towards the direction of the elastic card, and the trigger post extrudes the inner side of the elastic card to enable the trigger post to be opened so as to release the second clamped part; after the second clamped part is installed, the first clamped part can be continuously installed, so that the second clamped part and the first clamped part can be installed once when the clamping device is placed in the limited space.
Preferably, a first blocking portion is arranged on the first clamping piece, a second blocking portion matched with the first blocking portion is arranged on the outer outline of the clamping piece, and when the first clamping piece and the second clamping piece are close to each other, the first blocking portion and the second blocking portion are used for blocking the clamping piece to pass through the first clamping piece.
Preferably, one end of the trigger post is provided with a first protruding portion, the other end of the trigger post is provided with an abutting portion matched with the elastic card, a second protruding portion is arranged between the first protruding portion and the abutting portion, the first protruding portion and the second protruding portion are respectively located on two sides of the clamping piece, the trigger post is further sleeved with a reset spring, one end of the reset spring is connected with the first protruding portion, and the other end of the reset spring is connected with the clamping piece. The first protruding portion and the second protruding portion can limit the trigger post, avoid the trigger post to drop from the holder, and reset spring can push out the trigger post and reset.
In summary, the invention has the following beneficial effects: the clamping device of the invention can put the first clamped part and the clamped part such as a gasket into a limited space to be connected with a fastener such as a bolt and the like, and provide torque when the first clamped part is screwed with the fastener such as the bolt and the like.
Drawings
FIG. 1 is a schematic view of an exemplary clamping device according to the present invention, wherein the clamping device is in an open state;
FIG. 2 is a schematic view of an exemplary clamping device according to the present invention, wherein the clamping device is in a closed state;
FIG. 3 is a schematic view of an exemplary clamping device according to a first operating condition of the present invention;
FIG. 4 is a schematic view of a second operational state of an exemplary clamping device according to the present invention;
FIG. 5 is a schematic illustration of an exemplary clamping device of the present invention in an expanded state;
FIG. 6 is a schematic illustration of an exemplary clamping device of the present invention in a closed state;
FIG. 7 is a top view of FIG. 4;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
FIG. 9 is a schematic view of a connection structure of a first connection portion and a second connection portion in an exemplary clamping device according to the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9;
FIG. 11 is a schematic diagram illustrating the operation of another exemplary clamping device according to the present invention;
FIG. 12 is an enlarged view II of the portion of FIG. 11, wherein the elastic card is in an engaged state;
fig. 13 is an enlarged view ii of a portion of fig. 11, wherein the elastic card is in an open state.
In the drawing the view of the figure,
1. Clamping device, 11, first clamping arm, 111, first clamping piece, 112, first grip portion, 113, first connection portion, 1131, mounting hole, 114, first connection portion, 115, first link, 116, elastic element, 117, spheroid, 118, first surface, 119, second surface, D1, first distance, 12, second clamping arm, 121, second clamping piece, 122, second grip portion, 123, second link, 124, third surface, 125, fourth surface, D2, second distance, 13, pin, 2, second clamped part, 3, clamping piece, 31, accommodation space, 32, second connection portion, 321-recess, 33, elastic card, 331, fixed end, 332, free end, 34, trigger post, 341, first protrusion, 342, second protrusion, 343, interference, 35, counter bore, 36, reset spring, 37, second blocking portion, 4, first clamped part, 5, bolt, 6, space limited.
Detailed Description
The invention is explained and illustrated in detail below with reference to the drawings.
Example 1
Referring to fig. 1, a clamping device 1 for a limited space in a shelter power station comprises a first clamping arm 11, a second clamping arm 12 and a clamping piece 3, wherein a first clamping piece 111 is fixed at the front end of the first clamping arm 11, a first holding part 112 is fixed at the rear end of the first clamping arm, and the first clamping piece 111 and the first holding part 112 are connected through a first connecting rod 115; a second clamping piece 121 corresponding to the first clamping piece 111 is fixed at the front end of the second clamping arm 12, a second holding part 122 is fixed at the rear end of the second clamping arm, and the second clamping piece 121 and the second holding part 122 are connected through a second connecting rod 123; the first link 115 and the second link 123 are rotatably connected by a pin 13; the clamp 3 is connected to the first clamp piece 111, and a receiving space 31 for receiving a first clamped component 4 (hereinafter, a nut is described as an example) is provided in the middle of the clamp 3.
Referring to fig. 2, 3 and 4, the first clamping piece 111 and the second clamping piece 121 are each in a sheet shape, and when the first clamping arm 11 and the second clamping arm 12 are operated, the first clamping piece 111 and the second clamping piece 121 can clamp the second clamped component 2 (hereinafter, a gasket will be described as an example), and are suitable for installing the gasket in the limited space 6; the accommodating space 31 can provide axial support for the nut, and particularly when the nut is installed upwards, the nut is placed in the accommodating space 31, and the clamping device 1 can play a role in supporting the nut; the first grip portion 112 and the second grip portion 122 facilitate the operator to grip and operate the clamping device 1.
Referring to fig. 2, 3, and 5 to 7, the cross sections of the first and second links 115 and 123 may be circular, rectangular, etc., or may be other regular or irregular shapes. In this embodiment, the first link 115 and the second link 123 are rectangular in cross section and longer along the sides of the axial direction of the pin 13, and this structure is more capable of carrying torque. The first connecting rod 115 and the second connecting rod 123 are staggered in the axial direction of the pin shaft 13, the inner side of the first clamping piece 111 (i.e. the direction facing the second clamping piece 121) is provided with a first surface 118, the inner side of the first connecting rod 115 (i.e. the direction facing the second connecting rod 123) is provided with a second surface 119, and the second surface 119 protrudes out of the first surface 118; the second clamping piece 121 has a third surface 124 on the inner side (i.e., in the direction toward the first clamping piece 111), and the second connecting rod 123 has a fourth surface 125 on the inner side (i.e., in the direction toward the first connecting rod 115), and the fourth surface 125 protrudes from the third surface 124. When the first clamping arm 11 and the second clamping arm 12 are combined, on one hand, a smaller space is reserved between the inner side surface of the first clamping piece 111 and the inner side surface of the second clamping piece 121, so that the sheet-shaped gasket is convenient to clamp, and the first clamping piece 111 and the second clamping piece 121 have smaller total thickness when combined, so that the sheet-shaped gasket is convenient to be placed into a narrow limited space 6 for operation; on the other hand, the first clamping arm 11 and the second clamping arm 12 overlap in the extending direction of the first clamping piece 111, and the overlapping of the first clamping arm 11 and the second clamping arm 12 can increase the carrying capacity of the clamping device 1, so that a larger torque can be provided for the nut screwing connection. On the other hand, the first clamping piece 111 contacts with the end of the second connecting rod 123, the second clamping piece 121 contacts with the end of the first connecting rod 115, and the first clamping arm 11 and the second clamping arm 12 are mutually meshed, so that the bearing capacity of the clamping device 1 is further improved. In other embodiments, the distance between the first surface 118 and the second surface 119 (i.e., the first distance D1) is equal to the thickness of the second clamping piece 121; the distance between the third surface 124 and the fourth surface 125 (i.e., the second distance D2) is equal to the thickness of the first clamping piece 111; the thickness of the first clamping piece 111 is half of the thickness of the first link 115, and the thickness of the second clamping piece 121 is half of the thickness of the second link 123.
Referring to fig. 6, the first and second grip portions 112 and 122 are preferably ring-shaped to facilitate the operator's grip and operation of the clamping device 1. The first and second holding portions 112 and 122 may be housings made of a flexible material such as rubber, and may be fitted over the ends of the first and second links 115 and 123.
Referring to fig. 1, the pin 13 may be fixedly connected to the first link 115, one end of the pin 13 is fixedly connected to the first link 115 or formed on the first link 115, and the other end of the pin 13 passes through a hole on the second link 123 and is twisted with the second link 123. In addition, the pin shaft 13 may be separately disposed and pass through holes on the first connecting rod 115 and the second connecting rod 123, so as to realize the twisting connection of the first connecting rod 115 and the second connecting rod 123.
The clamping member 3 is detachably or non-detachably connected to the first clamping piece 111. Referring to fig. 1, preferably, the clamping member 3 is detachably connected to the first clamping piece 111, a first connecting portion 113 having a hole shape is provided on the first clamping piece 111, a second connecting portion 32 matching the shape of the first connecting portion 113 is provided on the outer contour of the clamping member 3, and the first connecting portion 113 is detachably connected to the second connecting portion 32. In this embodiment, the first connection portion 113 has a rectangular hole shape, and the second connection portion 32 has a rectangular shape, and at this time, torque can be transmitted between the first connection portion 113 and the second connection portion 32. Here, the first connection portion 113 and the second connection portion 32 have rectangular shapes, but the present invention is not limited thereto, and those skilled in the art may provide other shapes that can be matched with each other.
Specifically, referring to fig. 9 and 10, the first connecting portion 113 includes a mounting hole 1131, the second connecting portion 32 includes a recess 321, the mounting hole 1131 is disposed opposite to the recess 321, an elastic element 116 and a ball 117 are disposed in the mounting hole 1131, one end of the elastic element 116 is connected to the ball 117, the other end of the elastic element 116 is connected to a bottom of the mounting hole 1131, and the ball 117 is engaged with the recess 321. When the clamping member 3 is connected with the first clamping piece 111, the spherical body 117 compresses the elastic element 116 and retreats into the mounting hole 1131, and when the spherical body 117 is abutted with the concave portion 321, the elastic element 116 pushes out the spherical body 117; when the clamping piece 3 is replaced, the clamping piece 3 is pressed, and when the pressing acting force reaches a certain value, the spherical body 117 compresses the elastic element 116 and retreats into the mounting hole 1131, so that the clamping piece 3 is separated from the first clamping piece 111, and the clamping piece 3 is replaced quickly. In addition, when the clip 3 is connected to the first clip piece 111, the clip 3 can be prevented from easily coming off the first clip piece 111.
In addition, the clamping member 3 and the first clamping piece 111 may be connected in a non-detachable manner, for example, the clamping member 3 and the first clamping piece 111 may be integrally formed or welded, riveted, etc.
Referring to fig. 1, 3 and 4, the holding member 3 is provided with a receiving space 31, and the receiving space 31 is preferably a through hole, so that the holding member 3 has a small thickness, the receiving space 31 can receive the first clamped part 4, and the second clamping piece 121 can provide axial support for the nut when the first clamping piece 111 and the second clamping piece 121 are close to or attached to each other. Particularly, when the nut is mounted to the upper side (refer to fig. 8), the nut is placed in the accommodating space 31, and the second clamping piece 121 forms the bottom surface of the accommodating space 31, and serves to support the nut so as to be easily carried to a predetermined position. The inner contour of the receiving space 31 matches the outer contour of the first clamped part 4, and can provide torque for screwing the nut. For example, when the first clamped part 4 is a hexagonal nut, the accommodation space 31 is a hexagonal hole; when the first clamped part 4 is of another shape, the receiving space 31 is correspondingly of a shape matching that of the other.
Example 2
The embodiment is further improved on the basis of embodiment 1, referring to fig. 11 to 13, one side of the clamping member 3 is provided with two elastic cards 33 and a plurality of trigger posts 34 corresponding to the elastic cards 33 one by one, the two elastic cards 33 are symmetrically arranged about the central axis of the accommodating space 31, the fixed end 331 of the elastic card 33 is connected with the clamping member 3, and the free end 332 of the elastic card 33 is naturally bent towards the central axis direction of the accommodating space 31 for clamping the gasket; the trigger post 34 penetrates through the clamping piece 3 and is connected with the clamping piece 3 in an axial sliding way; when the first clamping piece 111 and the second clamping piece 121 are close to each other, one end of the trigger post 34 abuts against the second clamping piece 121, the other end of the trigger post 34 abuts against the inner side of the elastic card 33, the free end 332 for supporting the elastic card 33 moves away from the central axis to release the second clamped part 2, the nut is placed at the accommodating space 31 in the clamping piece 3, a certain distance is kept between the first clamping piece 111 and the second clamping piece 121, and then the gasket is placed on the inner side of the free end 332 of the elastic card 33. During installation, the first clamping arm 11 and the second clamping arm 12 are operated to enable the first clamping piece 111 and the second clamping piece 121 to move towards the direction approaching to each other, the second clamping piece 121 presses the trigger post 34 to move towards the direction of the elastic card 33, the trigger post 34 further presses the inner side of the elastic card 33 to open the release gasket, the gasket is installed, the nut can be continuously installed and screwed, and the clamping device 1 is placed in the limited space 6 once to install the second clamped part 2 and the nut. It should be noted that the number of the elastic cards 33 and the trigger posts 34 is not particularly limited, and may be three groups, four groups, or more.
The first clamping piece 111 is provided with a first blocking portion 114, the outer contour of the clamping piece 3 is provided with a second blocking portion 37 matched with the first blocking portion 114, and when the first clamping piece 111 and the second clamping piece 121 are close to each other, the first blocking portion 114 and the second blocking portion 37 are used for blocking the clamping piece 3 to pass through the first clamping piece 111.
The trigger post 34 one end is equipped with first protruding portion 341, and the other end is equipped with the conflict portion 343 that matches with elastic card 33, is equipped with second protruding portion 342 between first protruding portion 341 and the conflict portion 343, and first protruding portion 341 and second protruding portion 342 are located the both sides of holder 3 respectively, still overlap on the trigger post 34 and are equipped with reset spring 36, and reset spring 36's one end is connected with first protruding portion 341, and reset spring 36's the other end is connected with holder 3. The first protruding portion 341 and the second protruding portion 342 can limit the trigger post 34, prevent the trigger post 34 from falling off the holder 3, and the return spring 36 can push out the trigger post 34 for return. Preferably, the clamping member 3 is provided with a counter bore 35 for accommodating the return spring 36, and the first protruding portion 341 can also enter the counter bore 35, so that the clamping device 1 is compact.
In the mounting, first, the nut is placed in the holding space 31 in the holder 3 with a certain distance between the first holding piece 111 and the second holding piece 121, and then the washer is placed inside the free end of the elastic card 33. Operating the first grip 112 and the second grip 122 such that the first grip 111 and the second grip 121 move in directions toward each other, the second grip 121 presses the trigger post 34 to move in directions toward the elastic card 33, and the trigger post 34 presses the inner side of the elastic card 33 to open the release pad; and after the gasket is installed, the nut is continuously installed, so that the clamping device 1 is placed in the limited space once to complete the installation of the second clamped part and the nut.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention, but any modifications, equivalents, and simple improvements made within the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. A clamping device for a confined space in a shelter power station, comprising:
The front end of the first clamping arm (11) is fixedly provided with a first clamping piece (111), the rear end of the first clamping arm is fixedly provided with a first holding part (112), and the first clamping piece (111) is connected with the first holding part (112) through a first connecting rod (115);
The front end of the second clamping arm (12) is fixedly provided with a second clamping piece (121) corresponding to the first clamping piece (111), the rear end of the second clamping arm (12) is fixedly provided with a second holding part (122), the second clamping piece (121) is connected with the second holding part (122) through a second connecting rod (123), and the first connecting rod (115) is connected with the second connecting rod (123) through a pin shaft (13); and
The clamping piece (3) is connected with the first clamping piece (111), and an accommodating space (31) for accommodating the first clamped part (4) is formed in the clamping piece (3);
One side of the clamping piece (3) is provided with a plurality of elastic cards (33) and a plurality of trigger columns (34) corresponding to the elastic cards (33) one by one, one end of each trigger column (34) is provided with a first protruding part (341), the other end of each trigger column is provided with a collision part (343) matched with the elastic card (33), a second protruding part (342) is arranged between each first protruding part (341) and each collision part (343), the first protruding parts (341) and the second protruding parts (342) are respectively positioned at two sides of the clamping piece (3), a reset spring (36) is sleeved on each trigger column (34), one end of each reset spring (36) is connected with each first protruding part (341), the other end of each reset spring (36) is connected with the clamping piece (3),
The elastic cards (33) are symmetrically arranged about the central axis of the accommodating space (31), the fixed ends (331) of the elastic cards (33) are connected with the clamping pieces (3), and the free ends (332) of the elastic cards (33) naturally bend towards the central axis direction of the accommodating space (31) and are used for clamping the second clamped part (2); the trigger column (34) penetrates through the clamping piece (3) and is connected with the clamping piece (3) in an axial sliding manner; when the first clamping piece (111) and the second clamping piece (121) are close to each other, one end of the trigger column (34) is propped against the second clamping piece (121), and the other end of the trigger column (34) is propped against the inner side of the elastic card (33) and is used for supporting the free end (332) of the elastic card (33) to move in a direction away from the central axis so as to release the second clamped part (2).
2. Clamping device according to claim 1, characterized in that the inner contour of the receiving space (31) matches the outer contour of the first clamped part (4).
3. Clamping device according to claim 1, characterized in that the receiving space (31) is a through hole, which extends through the first clamping piece (111).
4. A clamping device according to any of claims 1-3, characterized in that the first clamping piece (111) has a first connection part (113) in the shape of a hole, the outer contour of the clamping piece (3) has a second connection part (32) matching the shape of the first connection part (113), the first connection part (113) being detachably connected with the second connection part (32).
5. The clamping device according to claim 4, wherein the first connecting portion (113) comprises a mounting hole (1131), the second connecting portion (32) comprises a concave portion (321), the mounting hole (1131) is opposite to the concave portion (321), an elastic element (116) and a spherical body (117) are arranged in the mounting hole (1131), one end of the elastic element (116) is connected with the spherical body (117), the other end of the elastic element (116) is connected with the hole bottom of the mounting hole (1131), and the spherical body (117) is connected with the concave portion (321) in a clamping mode.
6. A clamping device according to any of claims 1-3, characterized in that the first link (115) and the second link (123) are arranged offset in the axial direction of the pin (13), the inner side of the first clamping piece (111) has a first surface (118), the inner side of the first link (115) has a second surface (119), the second surface (119) protrudes from the first surface (118); the inner side of the second clamping piece (121) is provided with a third surface (124), the inner side of the second connecting rod (123) is provided with a fourth surface (125), and the fourth surface (125) protrudes out of the third surface (124).
7. The clamping device according to claim 6, characterized in that the distance between the first surface (118) and the second surface (119) is equal to the thickness of the second clamping piece (121); -the distance between the third surface (124) and the fourth surface (125) is equal to the thickness of the first clamping piece (111); the thickness of the first clamping piece (111) is half of the thickness of the first connecting rod (115), and the thickness of the second clamping piece (121) is half of the thickness of the second connecting rod (123).
8. Clamping device according to claim 1, characterized in that the first clamping piece (111) is provided with a first blocking portion (114), the outer contour of the clamping piece (3) is provided with a second blocking portion (37) matched with the first blocking portion (114), and when the first clamping piece (111) and the second clamping piece (121) are close to each other, the first blocking portion (114) and the second blocking portion (37) are used for blocking the clamping piece (3) from penetrating through the first clamping piece (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248034.7A CN109262542B (en) | 2018-10-25 | 2018-10-25 | Clamping device for limited space in shelter power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248034.7A CN109262542B (en) | 2018-10-25 | 2018-10-25 | Clamping device for limited space in shelter power station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262542A CN109262542A (en) | 2019-01-25 |
| CN109262542B true CN109262542B (en) | 2024-08-02 |
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| CN201811248034.7A Active CN109262542B (en) | 2018-10-25 | 2018-10-25 | Clamping device for limited space in shelter power station |
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| CN114274067B (en) * | 2021-12-20 | 2023-04-18 | 中国科学院长春光学精密机械与物理研究所 | Clamp holder and bolt and nut clamping tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206604542U (en) * | 2017-04-06 | 2017-11-03 | 郑州工业应用技术学院 | A kind of biologic test test tube clamp |
| CN207724197U (en) * | 2017-11-15 | 2018-08-14 | 杭州联和工具制造有限公司 | A kind of spanner |
| CN208977720U (en) * | 2018-10-25 | 2019-06-14 | 郑州佛光发电设备有限公司 | A kind of clamping device for restricted clearance in square cabin station |
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| US20130144313A1 (en) * | 2011-12-01 | 2013-06-06 | Alfred E.Mann Institute For Biomedical Engineering At The University Of Southern California | Surgical forceps |
| CN203156607U (en) * | 2013-03-22 | 2013-08-28 | 曹泽通 | Medical forceps |
| CN203401454U (en) * | 2013-06-14 | 2014-01-22 | 沈阳飞机工业（集团）有限公司 | Device for mounting nuts and washers |
| CN204772156U (en) * | 2015-07-29 | 2015-11-18 | 李昀笑 | Portable anchor clamps of form are made to multiplex |
| US10800009B2 (en) * | 2016-01-20 | 2020-10-13 | Delaware Capital Formation, Inc. | Toggle clamp |
| CN207309721U (en) * | 2017-09-27 | 2018-05-04 | 无锡市惠丰电子有限公司 | A kind of piezoelectric ceramic wafer grinds clamping tooling |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206604542U (en) * | 2017-04-06 | 2017-11-03 | 郑州工业应用技术学院 | A kind of biologic test test tube clamp |
| CN207724197U (en) * | 2017-11-15 | 2018-08-14 | 杭州联和工具制造有限公司 | A kind of spanner |
| CN208977720U (en) * | 2018-10-25 | 2019-06-14 | 郑州佛光发电设备有限公司 | A kind of clamping device for restricted clearance in square cabin station |
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Address after: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province Applicant after: Zhengzhou Foguang power generation equipment Co.,Ltd. Address before: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU FOGUANG POWER GENERATION EQUIPMENT Co.,Ltd. |
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