CN210563517U

CN210563517U - Card for opening near edge

Info

Publication number: CN210563517U
Application number: CN201921322561.8U
Authority: CN
Inventors: 寇小勇; 杨明; 徐洪瑞; 高鑫; 周鹏
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-19
Anticipated expiration: 2029-08-14

Abstract

The utility model provides a face limit entrance to a cave utensil belongs to protective apparatus technical field, faces limit entrance to a cave utensil and includes: a first fixed plate, a second fixed plate, a tightening member, and a plurality of swing shafts; a first fixing plate; the second fixing plate is opposite to the first fixing plate and is arranged at a certain distance; one end of the screwing piece is in threaded connection with the first fixing plate, the other end of the screwing piece is in threaded connection with the second fixing plate, and the thread directions of the two ends of the screwing piece are opposite; one end of each of the plurality of swinging shafts is hinged to the corresponding first fixing plate and the corresponding second fixing plate, the other end of each of the plurality of swinging shafts is fixed with a roller which is abutted against the side wall of the hole, and the plurality of swinging shafts are fixed with positioning plates which are abutted against the outer wall of the hole; the first fixing plate and the second fixing plate deviate from each other by means of relative rotation of the screwing piece, and the roller is driven to roll and is positioned at the corner of the hole. The utility model provides a face limit entrance to a cave fixture can install and fix on anomalous entrance to a cave well.

Description

Card for opening near edge

Technical Field

The utility model belongs to the technical field of protective apparatus, more specifically say, relate to a face limit entrance to a cave fixture.

Background

In the building construction, face limit entrance to a cave protector and be the important device of guaranteeing the construction installation, current device adopts to punch on the lateral wall of entrance to a cave usually and fixes a position, and this method operation is comparatively loaded down with trivial details and destroyed the original structure of building. During the floor construction, there are many processes needing construction near the opening, and the installed protection device can obstruct the normal operation of the construction, and at this time, the protection device needs to be frequently assembled and disassembled. In addition, the diversification and individuation of the existing building are realized, and in order to improve the aesthetic degree of the building, the opening of a window and the like is designed into an irregular shape. However, the prior art cannot be well installed and fixed on irregular openings.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a face limit entrance to a cave fixture aims at solving unable good installation and fixes the problem on anomalous entrance to a cave.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is an edge facing opening clamp, comprising:

a first fixing plate;

the second fixing plate is opposite to the first fixing plate and is arranged at a certain distance;

one end of the screwing piece is in threaded connection with the first fixing plate, the other end of the screwing piece is in threaded connection with the second fixing plate, and the thread screwing directions of two ends of the screwing piece are opposite; and

one end of each swinging shaft is hinged to the corresponding first fixing plate and the corresponding second fixing plate, the other end of each swinging shaft is fixed with a roller which is abutted against the side wall of the hole, and the plurality of swinging shafts are fixed with positioning plates which are abutted against the outer wall of the hole;

the first fixing plate and the second fixing plate deviate from each other by means of relative rotation of the screwing piece, and the roller is driven to roll and is positioned at the corner of the hole.

Further, the tightening piece includes:

the first connecting rod is in threaded connection with a first threaded hole formed in the first fixing plate;

one end of the polygonal column is coaxially and fixedly connected with the first connecting rod;

the second connecting rod is coaxially and fixedly connected with the other end of the polygonal column and is in threaded connection with a second threaded hole formed in the second fixing plate; and

the rotating sleeve is sleeved on the polygon prism in a sliding mode, and two swinging rods are fixed on the outer wall of the rotating sleeve in an opposite mode.

Further, the two swing rods are positioned on the same radial line of the rotating sleeve.

Further, the swing shafts are hinged to the ends of the first fixing plate or the second fixing plate.

Furthermore, a plurality of the positioning plates are positioned on the same plane and are arranged perpendicular to the axis of the rotating shaft of the roller.

Further, the outer edge of the positioning plate extends to the outside of the roller, and one side of the positioning plate, which is close to the roller, is abutted against the outer wall of the hole.

Further, the first fixing plate includes:

the central plate is provided with a first threaded hole in the middle along the inner part of the plate;

the at least one lug boss is symmetrically distributed on the side face of the end part of the central plate, and the lug boss is provided with a yielding groove for limiting the swing range of the swing shaft.

Furthermore, the second fixing plate has the same outer dimension as the first fixing plate, and a second threaded hole opposite to the first threaded hole is formed in the second fixing plate along the inner plate of the middle portion.

Further, the first fixed plate with articulated between the second fixed plate have two flexible guide bars, two flexible guide bar symmetry sets up the both sides of piece are revolved.

Further, the axes of the plurality of swing shafts are located in the same plane.

The utility model provides a face limit entrance to a cave fixture's beneficial effect lies in: compared with the prior art, the utility model discloses face in the limit entrance to a cave fixture oscillating axle one end and articulate respectively on corresponding first fixed plate and second fixed plate, the other end is fixed with and is used for the butt at the gyro wheel of entrance to a cave lateral wall, because first fixed plate and second fixed plate are relative and the interval certain distance sets up. And a one end and first fixed plate threaded connection screw, the other end and second fixed plate threaded connection screw to the screw at piece both ends soon is to opposite, under the rotation of the piece of screwing, first fixed plate and second fixed plate deviate from each other, thereby make first fixed plate and second fixed plate order about respectively and articulate the gyro wheel on the oscillating axle and roll the corner to the entrance to a cave. Under the effect of the screw thread force of the screwing piece and the first fixing plate and the second fixing plate, the roller is positioned at the corner of the opening, and meanwhile, the end part of the swinging shaft is fixed with a positioning plate which is abutted against the outer wall of the opening, so that the edge opening clamp is prevented from sliding along the side wall of the opening. This face limit entrance to a cave fixture structure is comparatively simple and installation and dismantlement are convenient, because be fixed with the gyro wheel on the oscillating axle, the gyro wheel rolls to the corner of entrance to a cave and can realize the location, makes this fixture can install in anomalous entrance to a cave, and the suitability is stronger.

Drawings

FIG. 1 is a schematic structural view of a near-edge opening fixture according to an embodiment of the present invention;

fig. 2 is a schematic connection diagram of a roller, a swing shaft and a positioning plate according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fastening member according to an embodiment of the present invention;

fig. 4 is a front view of a first positioning plate according to an embodiment of the present invention;

fig. 5 is a left side view of a first positioning plate according to an embodiment of the present invention;

fig. 6 is a partial cross-sectional view of a hinge of a swing shaft according to an embodiment of the present invention.

In the figure: 1. a first fixing plate; 101. a boss portion; 102. a center plate; 103. a first threaded hole; 104. a yielding groove; 2. a second fixing plate; 3. a swing shaft; 4. a tightening member; 401. a first connecting rod; 402. a polygonal column; 403. a second connecting rod; 404. rotating the sleeve; 5. a roller; 6. positioning a plate; 7. a swing lever; 8. a telescopic guide rod; 9. a torsion spring; 901. a bending section; 902. a connecting portion; 10. a rotating shaft.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the edge-facing opening fixture provided by the present invention will now be described. Face limit entrance to a cave utensil includes: a first fixed plate 1, a second fixed plate 2, a screwing piece 4 and a plurality of swinging shafts 3; a first fixing plate 1; the second fixing plate 2 is opposite to the first fixing plate 1 and is arranged at a certain distance; one end of the screwing piece 4 is in threaded connection with the first fixing plate 1, the other end of the screwing piece is in threaded connection with the second fixing plate 2, and the thread directions of the two ends of the screwing piece 4 are opposite; one end of each of the plurality of swinging shafts 3 is hinged to the corresponding first fixing plate 1 and the corresponding second fixing plate 2, the other end of each of the plurality of swinging shafts 3 is fixed with a roller 5 which is abutted against the side wall of the opening, and a positioning plate 6 which is abutted against the outer wall of the opening is fixed on each of the plurality of swinging shafts 3; the first fixing plate 1 and the second fixing plate 2 are rotated relatively away from each other by the tightening member 4, so that the roller 5 is driven to roll and is positioned at the corner of the opening.

The utility model provides a face limit entrance to a cave fixture's beneficial effect lies in: compared with the prior art, the utility model discloses face 3 one ends of oscillating axle in the limit entrance to a cave fixture and articulate respectively on corresponding first fixed plate 1 and second fixed plate 2, the other end is fixed with the gyro wheel 5 that is used for the butt at the entrance to a cave lateral wall, because first fixed plate 1 and second fixed plate 2 are relative and the interval certain distance sets up. And 4 one end of screwing member and 1 threaded connection of first fixed plate, the other end and 2 threaded connection of second fixed plate, and the screw thread at 4 both ends of screwing member is revolved to opposite, under the rotation of 4 of screwing, first fixed

plate

1 and 2 mutual deviations of second fixed plate, order about gyro wheel 5 on 3 articulated oscillating axle separately by first fixed

plate

1 and 2 respectively of second fixed plate and roll to the corner of entrance to a cave, under the effect of the screw thread power of 4 and first fixed

plate

1 and 2 fixed plate of second fixed plate of screwing, gyro wheel 5 is positioned the corner at the entrance to a cave. Meanwhile, a positioning plate 6 which is abutted against the outer wall of the opening is fixed at the end part of the swinging shaft 3, so that the edge opening clamp is prevented from sliding along the side wall of the opening. This face limit entrance to a cave fixture structure is comparatively simple and installation and dismantlement are convenient, because be fixed with gyro wheel 5 on the oscillating axle 3, the location can be realized to the corner of entrance to a cave to gyro wheel 5 rolls, makes this fixture can install in anomalous entrance to a cave, and the suitability is stronger.

As a specific embodiment of the edge opening fixture provided in the present invention, please refer to fig. 1, the screwing member 4 includes: a first connecting rod 401, a polygonal column 402, a second connecting rod 403 and a rotating sleeve 404; the first connecting rod 401 is in threaded connection with a first threaded hole 103 formed in the first fixing plate 1; one end of the polygon prism 402 is coaxially and fixedly connected with the first connecting rod 401; the second connecting rod 403 is coaxially and fixedly connected with the other end of the polygonal column 402 and is in threaded connection with a second threaded hole formed in the second fixing plate 2; the rotating sleeve 404 is slidably sleeved on the polygon prism 402, and two swinging rods 7 are relatively fixed on the outer wall. The first connecting rod 401, the polygon prism 402 and the second connecting rod 403 are coaxially arranged, right-handed threads can be formed on the outer peripheral surface of the first connecting rod 401, left-handed threads are formed on the outer peripheral surface of the second connecting rod 403, the first threaded hole 103 is in threaded fit with the right-handed threaded hole, and the second threaded hole is in threaded fit with the left-handed threaded hole. The polygon mirror 402 may be a quadrangular prism or a hexagonal prism, and the polygon mirror 402 structure can play a good fixing role relative to a circular surface. The inner surface of the rotating sleeve 404 is provided with a groove which is matched with the polygon prism 402, the rotating sleeve 404 is sleeved on the polygon prism 402, and two nuts can be arranged at two ends of the rotating sleeve 404 to keep the rotating sleeve 404 at the polygon prism 402. Two swing rods 7 are relatively fixed on the outer wall of a rotating sleeve 404, when the temporary protection is needed for the opening, the rotating sleeve 404 drives a polygon prism 402 to rotate by rotating the swing rods 7, the polygon prism 402 is fixedly connected with a first connecting rod 401 and a second connecting rod 403 respectively, and the first connecting rod 401 and the second connecting rod 403 are respectively in threaded connection with a first fixing plate 1 and a second fixing plate 2, so that under the rotation of the polygon prism 402, the first fixing plate 1 and the second fixing plate 2 are deviated from each other, thereby driving a swing shaft 3 hinged on the corresponding fixing plates to swing, the fixed rotating shaft rolls to the corner of the opening and is positioned when the swing shaft 3 swings, the opening clamp close to the opening is fixed on the opening by fastening the rotating sleeve 404 again, and the positioning plate 6 is fixed at the end part of the swing shaft 3, thereby preventing the device from sliding along the side wall of the opening, the stability of the structure is ensured.

As a specific embodiment of the fixture for edge hole provided in the present invention, please refer to fig. 1, two swing rods 7 are located on the same radial line of the rotating sleeve 404. Two swinging arms 7 symmetry sets up on rotating cover 404 to the axis of two swinging arms 7 is located the same radial line that rotates cover 404, thereby when needs protect the entrance to a cave, rotate two swinging arms 7 by the staff with the axis that rotates cover 404 as the axle center and can order about polygon prism 402 to rotate, and when needs are demolishd and are faced the limit entrance to a cave fixture, reverse rotation is close to each other between two swinging arms 7 first fixed plate 1 and the second fixed plate 2, the effort that extrusion roller 5 was fixed at the entrance to a cave corner disappears, thereby can take out the fixture on following the entrance to a cave. Can set up to extending structure at the tip of two swinging arms 7, swinging arms 7 one end is fixed on rotating cover 404, and the other end can be dismantled and be connected with L type fixture block, and fixture block accessible extending structure butt is on the diagonal angle of entrance to a cave to improved the protective area of entrance to a cave, improved the security, when needs installation face limit entrance to a cave fixture, through rotating swinging arms 7, rotate the tip installation fixture block of accomplishing the back at swinging arms 7, under extending structure's drive, place the diagonal angle department at the entrance to a cave with the fixture block. One side of the clamping block is perpendicular to the axis of the swing rod 7, and the inner surface of the other side of the clamping block is used for abutting against the outer wall of the hole, so that the safety of the device is improved.

As a specific embodiment of the edge opening fixture provided by the present invention, please refer to fig. 1 and 2, the swing shaft 3 is hinged at the end of the first fixing plate 1 and the second fixing plate 2. In order to reduce the length of swing axle 3, and face the weight of limit entrance to a cave fixture, all articulate two swing axles 3 at the tip of first fixed plate 1 and second fixed plate 2, the side setting of the perpendicular first fixed plate 1 of pin joint and second fixed plate 2, swing axle 3 can be swung in the plane that is on a parallel with first fixed plate 1 and second fixed plate 2 side, first fixed plate 1 can the mutual symmetry set up in the top of first fixed plate 1, swing axle 3 can set up to four, the pin joint of two swing axles 3 of top can set up in the upper left corner and the upper right corner of first fixed plate 1, the pin joint of two swing axles 3 of below can set up in the lower left corner and the lower right corner of second fixed plate 2, thereby accomplished four angles's of entrance to a cave fixed, make fixture can fasten on the entrance to a cave.

As a specific embodiment of the edge opening fixture provided by the present invention, please refer to fig. 1, a plurality of positioning plates 6 are located on the same plane and are perpendicular to the axis of the rotation shaft of the roller 5. Because the outer wall of entrance to a cave is in the coplanar, fix on the entrance to a cave for better will face limit entrance to a cave fixture, the bottom surface of a plurality of locating plates 6 is located the coplanar equally, locating plate 6 can be the four-sided board, locating plate 6 also can be at equilateral right angle triangle shaped board, and set up a bellying 101 perpendicularly at the middle part on the long limit of board, bellying 101 and equilateral triangle shaped board integrated into one piece, the one side of bellying 101 is fixed on swing axle 3, in order to improve the area of contact of locating plate 6 with swing axle 3, can set up the recess of a perpendicular and gyro wheel 5's pivot axis at the tip of swing axle 3, the bottom surface of recess is the plane, be used for fixed with locating plate 6, thereby the structural stability of locating plate 6 has been improved.

The utility model discloses in, install torsional spring 9 in oscillating axle 3 and the articulated department of groove 104 of stepping down, torsional spring 9 is provided with flexion 901 and connecting portion 902. The bending portions 901 are provided on both sides of the swing shaft, the two bending portions 901 are connected by a connecting portion 902 that is fixedly connected, the bending portions 901 have a certain bending margin, the connecting portion 902 abuts on one side surface in the swing direction of the swing shaft, and the bending portions 901 are provided around the outside of the rotating shaft 10 where the swing shaft 3 is hinged. The bending portion 901 can press the swing shaft 3 in the axial direction of the tightening member by its own bending margin by the connecting portion 902. When installing facing limit entrance to a cave utensil, two oscillating axles deviate from each other under corresponding fixed plate extruded effect, and fix the corner at the entrance to a cave, thereby when dismantling and facing limit entrance to a cave utensil, two oscillating axles 3 on the same fixed plate are close to each other under the effect of flexion 901 elasticity, thereby make a staff can accomplish the installation and demolish work, and after dismantling and accomplish oscillating axle 3 and be close to each other under torsional spring 9's effect, the space volume has been reduced, after dismantling entrance to a cave fixture simultaneously, oscillating axle 3 is because by torsional spring 9's effect, be unlikely to drop, the security has been guaranteed.

As a specific embodiment of the edge opening fixture provided by the present invention, please refer to fig. 2, the outer edge of the positioning plate 6 extends to the outside of the roller 5, and the positioning plate 6 abuts against the outer wall of the opening near the roller 5. For better will face limit entrance to a cave utensil and fix on the entrance to a cave, when the roll location is in the corner of entrance to a cave, be close to one side butt of gyro wheel 5 on locating plate 6 on the outer wall of entrance to a cave, because the outside of locating plate 6 is followed and is extended to gyro wheel 5 to placed and faced limit entrance to a cave utensil and followed the slip of entrance to a cave lateral wall, thereby improved the stability of device.

As a specific embodiment of the edge opening fixture provided in the present invention, please refer to fig. 4 and 5, the first fixing plate 1 includes: a center plate 102 and at least one boss 101; a first threaded hole 103 is formed in the central plate 102 along the inner part of the middle plate in a penetrating manner; at least one boss 101 is symmetrically distributed on the side of the end of the center plate 102, and the boss 101 is provided with a relief groove 104 for limiting the swing range of the swing shaft 3. The first threaded hole 103 is formed through the center plate 102, and the first threaded hole 103 is formed along the side of the center plate 102, so that when the fixture is installed, the center plate 102 is arranged perpendicular to the side wall of the hole, and the corresponding volume is reduced. In order to improve the installation and disassembly performance of the device, the first fixing plate 1 is arranged into the central plate 102 and at least one boss 101, each boss 101 is hinged to one swinging shaft 3, the abdicating groove 104 formed in each boss 101 limits two limit positions of each swinging shaft 3, when the edge opening fixture is required to be installed, under the action of the limiting groove, the fixed roller 5 of each swinging shaft 3 is close to the corner of the corresponding opening, and therefore only one worker is required to complete the installation of the edge opening fixture, and the disassembly is carried out in the same way. Due to the function of the avoiding groove 104, the complex situation that a plurality of devices need to be installed at the same time is avoided, and the efficiency of installation and disassembly is improved.

As the utility model provides a concrete implementation mode who faces limit entrance to a cave fixture please refer to fig. 1, second fixed plate 2 is the same with first fixed plate 1's external dimension, and second fixed plate 2 is seted up along the inboard intercommunication at middle part and is revolved to opposite second screw hole with first screw hole 103. The external dimension of second fixed plate 2 is the same with first fixed plate 1, thereby be convenient for processing and production, simultaneously in order to can deviate from between first fixed plate 1 and the second fixed plate 2 when 4 rotations of screwing, link up in the middle part of second fixed plate 2 set up one with first fixed plate 1 go up the position and revolve to opposite second screw hole, head rod 401 and second connecting rod 403 threaded connection respectively are on first screw hole 103 and second screw hole, thereby realized being close to each other and deviating from of first fixed plate 1 and second fixed plate 2.

The utility model discloses in, to the more occasion of area of some needs protection, can set up to extending structure at the tip of two swinging

arms

7, 7 one end of swinging arms is fixed on rotating cover 404, the other end can be dismantled and be connected with L type fixture block, fixture block accessible extending structure butt is on the diagonal angle of entrance to a cave, thereby the protection area of entrance to a cave has been improved, the security has been improved, when the limit mouth fixture is faced in needs installation, through rotating swinging arms 7, rotate the tip installation fixture block at swinging arms 7 after accomplishing, under extending structure's drive, place the diagonal angle department at the entrance to a cave with the fixture block. One side of the clamping block is perpendicular to the axis of the swing rod 7, and the inner surface of the other side of the clamping block is used for abutting against the outer wall of the hole, so that the safety of the device is improved.

As a specific embodiment of the edge opening fixture provided in the present invention, please refer to fig. 3, two telescopic guide rods 8 are hinged between the first fixing plate 1 and the second fixing plate 2, and the two telescopic guide rods 8 are symmetrically disposed on two sides of the screwing member 4. In order to improve and move the stability of facing limit entrance to a cave fixture and this fixture in fixed process, it has flexible guide bar 8 to articulate on the position of first fixed plate 1 and second fixed plate 2's correspondence, supplementary staff removes this fixture, screw 4 simultaneously and order about the in-process that deviates from each other between first fixed plate 1 and the second fixed plate 2, because the scalable performance of flexible guide bar 8, can remove along with first dead lever or second dead lever, and can improve the structural strength of fixture, offset partly and act on deviating the epaxial power of 4 axes of the piece of screwing 4 on the piece of screwing 4, stability has been guaranteed.

As a specific embodiment of the edge opening fixture provided in the present invention, please refer to fig. 1, the axes of the plurality of swing shafts 3 are located in the same plane. By arranging the swing range of the swing shaft 3 in the same plane, the space volume of the fixture can be reduced, and the stability of the device is prevented from being reduced due to the off-plane forces generated by the first fixing plate 1 and the second fixing plate 2 in different planes.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Face limit entrance to a cave utensil, its characterized in that includes:

a first fixing plate;

2. The edge opening jig of claim 1 wherein the tightening member comprises:

3. The edge-facing orifice fixture of claim 2, wherein the two swing levers are located on the same radial line of the rotating sleeve.

4. The edge-facing hole fixture of claim 1, wherein the swing axis is hinged at an end of the first or second fixed plate.

5. The edge opening fixture of claim 1, wherein a plurality of said positioning plates are located on the same plane and are arranged perpendicular to the axis of the rotating shaft of said roller.

6. The edge opening fixture of claim 5, wherein the outer edge of the positioning plate extends to the outside of the roller, and one side of the positioning plate close to the roller abuts against the outer wall of the opening.

7. The edge opening jig of claim 1 wherein the first retaining plate comprises:

the central plate is provided with a first threaded hole in the middle along the inner part of the plate; and

8. The edge-facing aperture clamp of claim 7, wherein the second fixing plate has the same outer dimensions as the first fixing plate, and a second threaded hole opposite to the first threaded hole is formed through the second fixing plate along the inner portion of the middle plate.

9. The edge-opening fixture according to claim 1, wherein two telescopic guide rods are hinged between the first fixing plate and the second fixing plate, and the two telescopic guide rods are symmetrically arranged at two sides of the tightening member.

10. The edge-facing orifice fixture of claim 1, wherein the axes of the plurality of oscillating shafts lie in the same plane.