CN212020832U - Hinge structure and anti-pulling device shell - Google Patents

Abstract

The utility model aims to provide a hinge structure aiming at the problem that the existing hinge structure is troublesome to install, which comprises an arc shaft and a shaft hole, wherein the arc shaft is in a sector annular column shape, the central angle of a sector ring is less than 180 degrees, the shaft hole is an arc hole, and the shape and the size of the shaft hole are matched with the arc shaft; aiming at the problem that an additional fastener and a special mounting tool are required to be prepared when the existing anti-pulling device shell is assembled, the anti-pulling device shell comprises two shell half rings, wherein the inner walls of two ends of each ring are respectively provided with a limiting snap ring, one ends of the two shell half rings are connected through a hinge structure, and the other ends of the two shell half rings are connected through a threaded fastening component; the arc shaft and the shaft hole of the hinge structure are respectively arranged on the two shell semi-rings, the axis of the arc shaft is parallel to the axis of the corresponding shell semi-ring, and the axis of the shaft hole is parallel to the axis of the corresponding shell semi-ring; the thread fastening assembly comprises a half thread column and a locking knob which are respectively fixed at the fastening ends of the semi-rings of the two shells, and the locking knob is in threaded connection with the complete thread column.

Description

Hinge structure and anti-pulling device shell

Technical Field

The utility model relates to a robot pipeline package accessory, in particular to hinge structure and prevent drawing ware shell.

Background

The hinge structure is a common structure for connecting two objects which rotate relatively, the common hinge structure comprises shaft holes arranged on two connected pieces and hinge shafts simultaneously positioned in the two shaft holes, the two connected pieces can rotate around the hinge shafts respectively, the hinge structure needs to be additionally provided with the hinge shaft, the two shaft holes and the hinge shaft need to be aligned when in installation, and the operation is troublesome; another kind of more common hinge structure only sets up the shaft hole on one of them is connected the piece, another is fixed to be set up the articulated shaft by the connecting piece, during the installation through the elastic deformation of shaft hole and/or articulated shaft fills in the shaft hole with the articulated shaft, and is comparatively troublesome, hard during the dismouting of this kind of structure, and installation and dismantlement process have great wearing and tearing to the structure.

The anti-pulling device shell and the branching anti-pulling device are both accessories on a robot pipeline packet, and the branching anti-pulling device can separate pipelines in the pipeline packet to prevent the pipelines from being twisted and broken. The anti-pulling device shell wraps the branching anti-pulling device to protect and fix the branching anti-pulling device, and meanwhile, the anti-pulling device shell wraps the branching anti-pulling device to enable the branching anti-pulling device to clamp the pipeline and prevent the pipeline from being pulled by external force. General anti-ware shell that draws is whole to be cyclic annular, includes two semi-rings usually, and anti-ware shell on the existing market need use fasteners such as bolt to connect two semi-rings mostly when the assembly, need prepare extra fastener and dedicated mounting tool during the assembly, and the assembly is more complicated loaded down with trivial details, and it is unusual inconvenient that on-the-spot workman changes spare parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hinge structure aiming at the problem that the existing hinge structure is troublesome to install; aiming at the problem that an additional fastener and a special installation tool are required to be prepared when the existing anti-pulling device shell is assembled, the anti-pulling device shell is provided.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a hinge structure, includes cambered axle and shaft hole, the cambered axle is sector annular column and the central angle of sector ring is less than 180, and the shaft hole is arc hole and shape and size and cambered axle looks adaptation.

An anti-pulling device shell comprises two shell half rings, the two shell half rings are integrally in a circular ring shape, the inner walls of two ends of the circular ring are respectively provided with a limiting snap ring, one ends of the two shell half rings are connected through a hinge structure, and the other ends of the two shell half rings are connected through a thread fastening component; the hinge structure is the hinge structure, the arc shaft and the shaft hole are respectively arranged on the two shell half rings, the axis of the arc shaft is parallel to the axis of the corresponding shell half ring, and the axis of the shaft hole is parallel to the axis of the corresponding shell half ring; the thread fastening assembly comprises a half thread column and a locking knob which are respectively fixed at the fastening ends of the semi-rings of the two shells, and the locking knob is in threaded connection with the complete thread column.

Furthermore, a locking hole coaxial with one half-thread column is formed in one half-thread column, an anti-loosening clamping groove is formed in the circumferential surface of the locking hole, an elastic anti-loosening plate is fixedly connected in the thread hole, and an anti-loosening clamping block is arranged at the free end of the anti-loosening plate; when the locking knob is screwed down, the anti-loosening plate is positioned in the locking hole and the anti-loosening clamping block is positioned in the anti-loosening clamping groove.

Furthermore, the screwing length of the locking knob and the half thread column is one half of the corresponding thread pitch; and the inner circumferential surface of the locking hole is provided with a positioning groove which is axially arranged along the locking hole, and the positioning groove is opposite to the anti-loosening clamping groove.

Furthermore, a positioning plate is arranged in the threaded hole, the positioning plate and the anti-loosening plate are arc-shaped plates with equal diameters and are coaxial with the locking knob, a connecting groove is formed in the side wall of the locking hole, and the connecting groove and the anti-loosening clamping groove are staggered; when the anti-loosening clamping block is positioned in the connecting groove, the threads in the threaded hole are not in contact with the threads on the locking knob.

Furthermore, a locking boss is fixedly connected at the fastening end of the shell semi-ring, an elastic locking strip is fixedly connected on the side wall of the locking knob, the vertical distance from one edge of the locking boss to the axis of the locking knob is minimum, the locking strip is arc-shaped, the axis of the locking strip is parallel to the axis of the locking knob, and the inner circumferential surface of the locking strip faces towards the threaded hole; when the locking knob is screwed down and no external force acts on the anti-loosening strips, the vertical distance from the free ends of the anti-loosening bosses to the axis of the locking knob is smaller than the vertical distance from the anti-loosening strips to the axis of the locking knob, and the free ends of the anti-loosening strips abut against the anti-loosening bosses.

Furthermore, a coaxial wire semi-ring is fixedly connected to one axial end face of the shell semi-ring, and the edge of one end, away from the shell semi-ring, of the inner wall of the wire semi-ring is smooth.

Furthermore, the top of the locking knob is provided with an observation hole which is a through hole, and the end of the thread hole is positioned below the observation hole.

Furthermore, a plurality of anti-skidding convex ridges are arranged on the side wall of the locking knob.

Furthermore, the inner circumferential surface of the shell half ring is fixedly connected with an arc-shaped positioning convex edge, the positioning convex edge is coaxial with the shell half ring, and the positioning convex edge is positioned between the limiting snap rings at the two ends of the shell half ring.

The utility model discloses following beneficial effect has:

set up the hinge structure that arc axle and arc hole cooperation formed on two connected pieces respectively, compare in current hinge structure and need not set up solitary articulated shaft, simple structure, the installation with dismantle very portably, need not make articulated shaft and/or shaft hole deformation during the dismouting, easy operation, the dismouting process is little to hinge structure wearing and tearing, helps prolonging hinge structure's life. The anti-pulling device shell adopts a hinge structure to realize that one ends of the two shell half rings are installed and disassembled and are connected through the hinge structure, the hinge structure is convenient for the two shell half rings to be opened and closed into a circular ring shape, and the installation and the disassembly are simple and convenient; the other end is fixedly connected with the locking knob through a half-thread column fixedly connected on the shell semi-ring, when the two shell semi-rings are integrally in a circular ring shape, the two half-thread columns are attached to each other and spliced to form a complete thread column, the locking knob is in threaded connection with the complete thread column, the two half-thread columns can not move relatively, and the locking knob is also fixed on the thread column simultaneously, so that the two shell semi-rings can be connected without the help of an additional tool, the dismounting operation is very simple and convenient, and an additional fastener and a special mounting tool are not needed.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the anti-pull device housing of the present invention;

fig. 2 is a schematic cross-sectional view of a hinge structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of the hinged ends of two housing half rings in an embodiment of the invention;

FIG. 4 is a schematic cross-sectional view of a threaded fastener assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of two hemispherical fastening ends according to an embodiment of the present invention;

fig. 6 is a schematic view of a locking knob according to an embodiment of the present invention;

fig. 7 is a schematic view illustrating the anti-loosening clamping block according to the embodiment of the present invention positioned in the connecting groove;

fig. 8 is a schematic view of the fastening end of the outer shell of the anti-pulling device of the present invention.

Reference number, 10, a first housing half ring; 11. locking the boss; 12. a locking hole; 13. a locking clamping groove; 14. connecting grooves; 15. positioning a groove; 20. a second shell semi-ring; 21. a yielding groove;

30. a hinge structure; 31. a shaft hole; 32. an arc axis; 33. connecting the first boss; 34. connecting a second boss;

40. a threaded fastener assembly; 41. a half-thread column I; 42. a half-thread column II; 43. locking the knob; 431. a threaded hole; 432. a side groove; 433. an observation hole; 434. anti-slip ribs; 44. an anti-loosening plate; 441. a locking fixture block; 45. positioning a plate;

50. an anti-loosening strip; 51. a locking boss; 60. a limit snap ring; 61. positioning the convex ribs; 70. a fastening end; 80. a hinged end; 90. and the wire semi-ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

An anti-pulling device shell is integrally in a circular ring shape as shown in fig. 1, and two ends of the inner wall of the anti-pulling device shell are respectively provided with a coaxial limiting snap ring 60 for limiting the relative movement of the anti-pulling device shell and an internal branching anti-pulling device in the axial direction. The inner wall of the half ring of the shell can be provided with an arc-shaped positioning convex edge 61 which is used for matching with a branching pull-proof device with an annular convex edge on the outer wall, the positioning convex edge 61 is matched with a groove formed between adjacent convex edges on the branching pull-proof device, and the auxiliary limiting snap ring 60 is used for positioning the branching pull-proof device.

The anti-pull device shell comprises a first shell half ring 10 and a second shell half ring 20, wherein one end of the first shell half ring 10 is connected with one end of the second shell half ring 20 through a hinge structure 30, and the other end of the first shell half ring 10 is connected with the other end of the second shell half ring 20 through a threaded fastening assembly 40. For convenience of description, the end of the anti-puller shell where the threaded fastening assembly 40 is located will be referred to as the fastening end 70, and the end where the hinge structure 30 is located will be referred to as the hinge end 80.

As shown in fig. 2 and 3, the first connecting boss 33 is disposed on the outer circumferential surface of the first hinge end 80 of the first housing half ring 10, the second connecting boss 34 is disposed on the outer circumferential surface of the second hinge end 80 of the second housing half ring 20, the hinge structure 30 includes a shaft hole 31 and an arc shaft 32, the shaft hole 31 is disposed on the first connecting boss 33, and the arc shaft 32 is fixedly connected to the second connecting boss 34. The arc shaft 32 is a column with a sector-ring-shaped cross section, the central angle of the sector ring is less than 180 degrees, the axis of the arc shaft 32 is parallel to the axis of the second housing half ring 20, and as shown in fig. 2, the concave-convex directions of the arc shaft 32 and the second housing half ring 20 are opposite. The shaft hole 31 is an arc-shaped through hole and is matched with the arc shaft 32. When the arc shaft 32 and the shaft hole 31 are coaxial and are positioned in the shaft hole 31, the arc shaft can rotate around the axis of the shaft hole 31, the hinge structure 30 is adopted, on one hand, two shell half rings can be conveniently opened, on the other hand, when the thread fastening assembly 40 is connected with the two shell half rings, the connection of the hinge end 80 can be stable, the operation is very convenient during installation and disassembly, and the abrasion to the hinge structure 30 during disassembly and assembly is very small.

As shown in fig. 4, the threaded fastener assembly 40 includes a first half-threaded post 41 fixedly attached to the first housing half-ring 10, a second half-threaded post 42 fixedly attached to the second housing half-ring 20, and a locking knob 43. Referring to fig. 4 and 5, the half-threaded columns are disposed at the fastening ends 70 of the corresponding housing halves, the axis of the half-threaded columns is perpendicular to the axis of the corresponding housing halves, and when the two housing halves are closed, the two half-threaded columns are spliced together to form a complete threaded column. As shown in fig. 6, the locking knob 43 is cylindrical, and the bottom of the locking knob 43 is provided with a threaded hole 431 adapted to the above-mentioned complete threaded column. The locking knob 43 is threadedly connected to the fully threaded post. The threaded fastener assembly 40 allows for the connection of two housing halves without the use of additional tools and is simple to operate.

To prevent the locking knob 43 from being loosened, a structure for preventing the loosening may be provided. As shown in fig. 6 and 8, for example, the locking knob 43 is provided with a locking bar 50 on a side wall thereof, and locking bosses 51 on both housing half rings. The anti-loosening strip 50 is arc-shaped, the axis of the anti-loosening strip is parallel to the axis of the locking knob 43, the inner circumferential surface of the anti-loosening strip 50 faces the threaded hole 431, the distance from the connecting end of the anti-loosening strip 50 to the axis of the threaded hole 431 is smaller than the distance from the free end of the anti-loosening strip 50 to the axis of the threaded hole 431, and the anti-loosening strip 50 can be elastically deformed in the radial direction of the locking knob. The locking bosses 51 on the two case half rings are provided at the fastening ends 70 of the corresponding case half rings, and as shown in fig. 5, the vertical distance from the locking bosses 51 to the axis of the threaded hole 431 is greater than the radius of the locking knob 43 and less than the vertical distance from the free ends of the locking bars 50 to the axis of the threaded hole 431. When no external force acts on the anti-loosening strip 50 and the locking knob 43 is screwed down, the free end of the anti-loosening strip 50 abuts against the limiting boss 51, and when the inner locking knob 43 is unscrewed, the free end of the anti-loosening strip 50 needs to move towards the limiting edge 103 to prevent the locking knob 43 from being loosened; when the locking knob 43 is removed, the anti-loosening strip 50 can be manually pressed towards the threaded hole 431, so that the anti-loosening strip 50 can pass through the limiting boss 51. As shown in fig. 6, it is preferable that a side groove 432 is provided on a side wall of the locking knob 43, the side groove 432 is opposite to the locking bar 50, and the side groove 432 is adapted to the shape of the locking bar 50, so that the locking bar 50 can be inserted into the side groove 432 when being pressed inward, and a sufficient space is left for the elastic deformation of the locking bar 50. The outer circumferential surface of the anti-release strip 50 may be provided with an anti-slip rib to facilitate the application of force by rotation.

The anti-loosening structure can also be provided with other structures, for example, as shown in fig. 5, a locking hole 12 coaxial with the half-thread column I41 is arranged on the half-thread column I41, an anti-loosening clamping groove 13 is arranged on the inner side of the locking hole 12, an anti-loosening plate 44 capable of elastically deforming is arranged in a threaded hole 431 of a locking knob 43, the length and the width of the anti-loosening plate are matched with the depth and the width of the locking hole, and an anti-loosening clamping block 441 is arranged at the free end of the anti-loosening plate 44; when the locking knob 43 is screwed, the anti-loosening plate 44 is located in the locking hole 12, the anti-loosening clamping block 441 is located in the anti-loosening clamping groove 13, and the anti-loosening clamping groove 13 can limit circumferential movement of the anti-loosening clamping block 441, so that free rotation of the locking knob 43 is limited, and loosening of the locking knob 43 is prevented. In order to provide the space required for arranging the locking hole 12, a locking boss 11 can be arranged at the fastening end of the first half-thread column 41, a yielding groove 21 matched with the locking boss 11 is arranged on the second half-thread column 42, and when the two shell half rings are closed, the locking boss 11 is positioned in the yielding groove 21. The two different anti-loosening structures can be arranged at the same time or independently.

The screwing length of the threads of the locking knob 43 and the half-thread column is one half of the corresponding thread pitch, so that the locking can be realized by rotating the locking knob 43 for half a turn. In order to facilitate the locking knob to rotate 180 degrees, the locking fixture block 411 just enters the locking slot 13, a positioning groove 15 can be arranged on the inner circumferential surface of the locking hole 12, the positioning groove 15 is arranged along the axial direction of the locking hole 12, the positioning groove 15 is opposite to the locking slot 13, the locking fixture block 411 can be inserted into the positioning groove 15 in a manner of aligning the locking fixture block 411 with the positioning groove 15 when the locking knob is installed, then the locking knob is rotated 180 degrees, and the locking fixture block 411 enters the locking slot 13 from the positioning.

As shown in fig. 6, a connecting groove 14 may be further provided on a side wall of the locking hole 12, the connecting groove 14 is offset from the locking groove 13, and the connecting groove 14 is rectangular. A positioning plate 45 is arranged in the threaded hole 431, and the positioning plate 45 and the anti-loosening plate 44 are arc-shaped plates with the same diameter and are coaxial with the locking knob 43. As shown in fig. 7, when the anti-loosening clamping block 441 is located in the connecting groove 14, the threads on the locking knob 43 are located above the threads on the first half-threaded column 41, and the two threads are not in contact, so that the anti-loosening clamping block 441 and the positioning plate 45 can clamp the locking knob 43 on the first half-threaded column 41, and when the locking knob is not connected with two casing half rings, a stable placing position is provided for the locking knob 43, which is convenient for a user to take and place, and reduces the risk of losing the locking knob 43. In order to facilitate the processing, a complete tubular structure can be arranged, the shape and the size of the tubular structure are matched with those of the locking holes, and the side wall of the tube is provided with two open grooves which are axially arranged along the side wall of the tube to divide the tube wall into two parts, so that an anti-loosening plate 44 and a positioning plate 45 are formed.

As shown in fig. 7 and 8, it is preferable that the wire half rings 90 are fixed to one axial end surface of the housing half rings coaxially therewith, and when the two housing half rings are closed, the wire half rings 90 on the two housing half rings are combined into a complete circular ring. The edge of the inner wall of the wire half ring 90, which is far away from the end of the shell half ring 10, is smooth, the smooth edge is helpful for protecting the wire at the inlet end of the wire half ring 90.

As shown in FIG. 8, it is preferable that a viewing hole 433 is formed at the top of the locking knob 43, the viewing hole 433 is a through hole, and the end of the internal thread of the threaded hole 431 is located below the viewing hole 433. As shown in FIG. 4, the end of the internal thread of the threaded hole 431 can be seen through the viewing hole 433, so that the position where the threads should be aligned can be quickly aligned when the locking knob 43 is installed. The locking knob 43 is provided with a plurality of anti-slip ribs 434 on the side wall thereof, which is convenient for a user to rotate the locking knob 43.

When the cable-dividing anti-pulling device is installed, the cable-dividing anti-pulling device is arranged between the limiting clamping rings 60 at two ends of one of the shell half rings, the arc shaft 32 is inserted into the shaft hole 31 to enable the two shell half rings to be hinged and connected, the other shell half ring is closed to enable the two shell half rings to be integrally in a circular ring shape, and the locking knob 43 is screwed down.

The specific embodiments are merely illustrative of the present invention, and are not intended to limit the present invention.

Claims (10)

1. A hinge structure (30), characterized in that: including arc axle (32) and shaft hole (31), arc axle (32) are fan ring shape's column and fan ring's central angle and are less than 180, and shaft hole (31) are arc hole and shape and size and arc axle (32) looks adaptation.

2. The utility model provides a prevent drawing ware shell, includes two shell semi-rings, wholly is the ring form, is provided with spacing snap ring (60), its characterized in that on the inner wall at ring both ends respectively: one ends of the two shell semi-rings are connected through a hinge structure, and the other ends are connected through a threaded fastening component (40); the hinge structure is the hinge structure (30) of claim 1, the arc shaft (32) and the shaft hole (31) are respectively arranged on the two shell half rings, the axis of the arc shaft (32) is parallel to the axis of the corresponding shell half ring, and the axis of the shaft hole (31) is parallel to the axis of the corresponding shell half ring; the thread fastening assembly (40) comprises a half thread column and a locking knob (43) which are respectively fixed at the fastening ends (70) of the half rings of the two shells, the two half thread columns are spliced into a complete thread column, a thread hole (431) matched with the complete thread column is formed in the locking knob (43), and the locking knob (43) is in threaded connection with the complete thread column.

3. The pull-resistant housing of claim 2 wherein: one half-thread column is provided with a locking hole (12) coaxial with the half-thread column, the circumferential surface of the locking hole (12) is provided with a locking clamping groove (13), an elastic anti-loosening plate (44) is fixedly connected in a threaded hole (431), and the free end of the anti-loosening plate (44) is provided with a locking clamping block (441); when the locking knob (43) is screwed down, the anti-loosening plate (44) is positioned in the locking hole (12) and the anti-loosening clamping block (441) is positioned in the anti-loosening clamping groove (13).

4. The pull-resistant housing of claim 3 wherein: the screwing length of the locking knob (43) and the half thread column is one half of the corresponding thread pitch; and the inner circumferential surface of the locking hole (12) is provided with a positioning groove (15) which is axially arranged along the locking hole (12), and the positioning groove (15) is opposite to the anti-loosening clamping groove (13).

5. The pull-resistant housing of claim 3 wherein: a positioning plate (45) is arranged in the threaded hole (431), the positioning plate (45) and the anti-loosening plate (44) are arc-shaped plates with the same diameter and are coaxial with the locking knob (43), a connecting groove (14) is arranged on the side wall of the locking hole (12), and the connecting groove (14) is staggered with the anti-loosening clamping groove (13); when the anti-loosening clamping block (441) is positioned in the connecting groove (14), the threads in the threaded hole (431) are not in contact with the threads on the locking knob (43).

6. The pull-resistant housing of claim 2 wherein: the locking device comprises a shell half ring, a locking knob (43), locking bosses (51), elastic anti-loosening strips (50), wherein the fastening end (70) of the shell half ring is fixedly connected with the locking boss (51), the vertical distance from one edge of the locking boss (51) to the axis of the locking knob (43) is minimum, the anti-loosening strips (50) are arc-shaped, the axis of the anti-loosening strips is parallel to the axis of the locking knob (43), and the inner circumferential surface of each anti-loosening strip (50) faces a threaded hole (431); when the locking knob (43) is screwed down and no external force acts on the anti-loosening strip (50), the vertical distance from the free end of the anti-loosening boss (51) to the axis of the locking knob (43) is smaller than the vertical distance from the anti-loosening strip (50) to the axis of the locking knob (43), and the free end of the anti-loosening strip (50) abuts against the anti-loosening boss (51).

7. The pull-resistant housing of claim 2 wherein: one axial end surface of the shell half ring is fixedly connected with a wire half ring coaxial with the shell half ring, and the edge of the inner wall of the wire half ring far away from one (10) end of the shell half ring is smooth.

8. The pull-resistant housing of claim 2 wherein: the top of the locking knob (43) is provided with an observation hole (433), the observation hole (433) is a through hole, and the end of the internal thread of the threaded hole (431) is positioned below the observation hole (433).

9. The pull-resistant housing of claim 2 wherein: the side wall of the locking knob (43) is provided with a plurality of anti-skid convex ribs (434).

10. The pull-resistant housing of claim 2 wherein: the rigid coupling has curved location bead (61) on the inner circumferential surface of shell semi-ring, location bead (61) are coaxial with the shell semi-ring, and location bead (61) are located between spacing snap ring (60) at shell semi-ring both ends.

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