CN217028478U

CN217028478U - Stop collar and spin-lock device

Info

Publication number: CN217028478U
Application number: CN202121175467.1U
Authority: CN
Inventors: 李文轩; 李佳兴; 魏义礼; 盛团结; 邢帅; 刘海华
Original assignee: Weihai Guangtai Airport Equipment Co Ltd
Current assignee: Weihai Guangtai Airport Equipment Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-07-22
Anticipated expiration: 2031-05-28

Abstract

The utility model relates to the technical field of special vehicle machinery, in particular to a limiting sleeve and a spin lock device, the limiting sleeve comprises a limiting sleeve body, the inner wall of the limiting sleeve body is provided with an annular groove, two sides of the inner wall of the limiting sleeve body are provided with limiting grooves, the limiting grooves are communicated with the annular groove, the spin lock device comprises a spin lock support and a cushion block, the limiting sleeve is arranged in the cushion block, a locking bolt is arranged in the limiting sleeve body, a spring perforation is arranged on the rotating bolt, a spring is arranged in the spring perforation, two ends of the spring are respectively provided with a steel ball, the spin lock bolt is arranged in the limiting sleeve body, one end of the rotating bolt penetrates through the cushion block and is provided with a lock head, the other end of the rotating bolt is provided with a spin lock nut, one end of the steel ball is fixedly connected with the spring, the other end of the steel ball abuts against the annular groove or the limiting groove, the lower end of the spin lock support is provided with a connecting seat, the cushion block is movably connected with the connecting seat through a limiting bolt, the utility model has the advantages of ingenious structure, adaptation to the locking of the translation loading equipment, quick operation, smooth rotation, time saving and labor saving.

Description

Stop collar and spin-lock device

Technical Field

The utility model relates to the technical field of special vehicle machinery, in particular to a limiting sleeve and a spin lock device.

Background

At present, along with the rapid development of highways, the road transportation, especially the container transportation, develops more and more importantly in the economic field, and the container lock is an important part on the container transport vechicle, and through the retrieval, chinese patent CN201801103U discloses a box-shaped twist lock for container bolt fastening, and it includes twist lock support and lock core, and fixed mounting has the tapered end on the lock core, the lock core is screw rod type structure, and it is including being located upper portion and being used for the lock top of being connected with the container and being located the lower part and being the screw rod, is connected with the lock nut that is located the twist lock support on the screw rod cooperatedly, the not enough of above-mentioned patent: firstly, the screw and the lock cylinder are hard to rotate, and are easy to clamp and rust; secondly, the lock core in the above-mentioned patent can not remove, and the lock core is located the spin lock support upper end all the time, and this just leads to when the facial make-up part that needs be connected with the spin lock is the translation to the spin lock support, and the lock core can hinder the structure of this kind of translation, leads to on the structure of this kind of translation can't fall the lock core, and then can't lock for the spin lock is used limitedly.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a limiting sleeve and a rotary locking device which are ingenious in structure, suitable for locking of translational uploading equipment, rapid in operation, smooth in rotation, time-saving and labor-saving.

In order to realize the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a stop collar, includes the stop collar body, its characterized in that: the stop collar body inner wall is equipped with the annular groove, stop collar body inner wall both sides are equipped with the spacing groove, the spacing groove axial sets up, the spacing groove is linked together with the annular groove to do benefit to the fixed or relative stop collar vertical migration who realizes with the stop collar.

The utility model provides a spin-lock device, includes spin-lock support and cushion, its characterized in that: the limiting sleeve is arranged in the cushion block, the outer ring of the limiting sleeve body is fixedly connected with the cushion block, a twist lock bolt is arranged in the limiting sleeve body, a spring perforation is arranged on the twist lock bolt, a spring is arranged in the spring perforation, steel balls are respectively arranged at two ends of the spring, the twist lock bolt is arranged in the limiting sleeve body, one end of the twist lock bolt penetrates out of the cushion block and is provided with a lock head, the other end of the twist lock bolt is provided with a twist lock nut, one end of each steel ball is fixedly connected with the spring, the other end of each steel ball is abutted against an annular groove or a limiting groove, so that the twist lock bolt can be fixed with the cushion block and can vertically move relative to the cushion block, a cushion block through hole is arranged on the twist lock support, a connecting seat is arranged at the lower end of the twist lock support, the connecting seat comprises a front supporting plate, a rear supporting plate and a lower supporting plate, the upper end of the front supporting plate is fixedly connected with the front end of the twist lock support, the upper end of the rear supporting plate is fixedly connected with the back supporting plate, the lower end of the front support plate is fixedly connected with the rear end of the lower support plate, the two sides of the upper end of the front support plate are respectively provided with a front limiting upper pin hole and a front limiting lower pin hole, the two sides of the upper end of the rear support plate are respectively provided with a rear limiting upper pin hole, the two sides of the lower end of the rear support plate are respectively provided with a rear limiting lower pin hole, the middle of the lower support plate is provided with a bolt hole, the two sides of the front lower end and the two sides of the rear lower end of the cushion block are respectively provided with a connecting block, the upper end of the connecting block is fixedly connected with the cushion block, the connecting pin hole is arranged on the connecting block, a limiting bolt penetrates through the front limiting upper pin hole, the connecting pin hole and the rear limiting upper pin hole to fixedly connect the cushion block with the front support plate and the rear support plate in a limiting way, so that the lock head and the cushion block are exposed out of the through holes of the cushion block, or the limiting bolt penetrates through the front lower pin hole, the connecting pin hole and the rear limiting lower pin hole to fixedly connect the cushion block with the front support plate and the rear support plate, the upper end face of the lock head is not higher than the upper end face of the spin lock support, the spin lock nut is arranged below the lower support plate and is in threaded connection with the spin lock bolt, so that when locking is needed, a limiting bolt arranged at the lower end of the front support plate is pulled out, the spin lock bolt is lifted upwards, the spin lock bolt and the cushion block are limited by the steel ball and can move upwards at the same time because the steel ball is arranged between the through hole and the annular groove, the spin lock support is exposed, the limiting bolt is inserted into a limiting front upper pin hole at the upper end of the front support plate, the cushion block is limited and fixedly connected with the front support plate and the rear support plate after penetrating through the connecting pin hole and the limiting rear upper pin hole, the lock head of the spin lock bolt rotates 90 degrees, the steel ball rotates into the limiting groove from the annular groove, then the spin lock nut rotates, the limiting groove limits the rotation of the spin lock bolt, and the spin lock bolt can only move vertically, the lock head moves downwards to realize locking.

According to the utility model, the lower sides of the left end and the right end of the cushion block are respectively and fixedly provided with the limiting bosses, so that when the spin-lock bolt and the cushion block move upwards, the upper end surfaces of the limiting bosses abut against the lower end surface of the spin-lock support to form limiting, and then the limiting bolts are inserted, so that the positioning is rapid, and time and trouble are saved.

The limit bolt of the utility model is provided with a limit locking mechanism which comprises a split pin and a locking sheet, an open slot is arranged at one end of the limit bolt, a locking sheet is arranged in the open slot, pin holes are arranged at two ends of the open slot, the locking piece is provided with a locking groove, the cotter pin penetrates through the pin hole and the locking groove to movably connect the locking piece with the limiting bolt, the locking piece can be arranged in the open slot, or one end of the locking piece is exposed out of the open slot to form a limiting end, so that when the locking piece is inserted, the locking piece is rotated to enable the locking piece to be parallel to the limiting bolt, the locking piece is arranged in the open slot, the limiting bolt penetrates through the limiting front pin hole, the connecting pin hole and the limiting rear pin hole to limit and fixedly connect the cushion block with the front support plate and the rear support plate, then the locking piece is rotated manually for locking piece one end exposes the open slot, makes spacing bolt can be spacing, can not the roll-off.

The rotary piece is arranged at the lower end of the twist lock bolt and comprises a crank handle and a fixed split pin, a through hole and a split pin hole are formed in the lower end of the twist lock bolt and are communicated with each other, a crank handle pin hole is formed in one end of the crank handle, one end of the crank handle is inserted into the through hole, the fixed split pin penetrates through the split pin hole and the crank handle pin hole to limit and fixedly connect the crank handle and the twist lock bolt, so that the crank handle can drive the twist lock bolt to rotate, and the operation is convenient.

The spin lock bolt comprises a smooth section and a threaded section, wherein the upper end of the smooth section is fixedly connected with a lock head, the lower end of the smooth section is fixedly connected with the threaded section, a spring through hole is formed in the smooth section, and the lower end of the threaded section penetrates through a bolt hole of a lower support plate to be in threaded connection with a spin lock nut.

Due to the adoption of the structure, the locking device has the advantages of ingenious structure, suitability for locking of the translational loading equipment, quickness in operation, smoothness in rotation, time saving, labor saving and the like.

Drawings

Fig. 1 is a schematic view of an angle structure of a stop collar in the utility model.

Fig. 2 is a schematic view of another angle structure of the stop collar of the present invention.

Fig. 3 is a cross-sectional view of fig. 1 in accordance with the present invention.

Fig. 4 is a schematic structural view of the twist-lock apparatus of the present invention.

Fig. 5 is a left side view of fig. 4 of the present invention.

Fig. 6 is a rear view of fig. 4 of the present invention.

Fig. 7 is a cross-sectional view of the utility model of fig. 4.

Fig. 8 is a schematic view of the construction of the stop collar and spacer of the present invention.

Fig. 9 is a structural schematic diagram of the lock cylinder of the utility model for rotation locking.

Fig. 10 is a schematic structural view of the lock head and the cushion block falling together and the lock head being unlocked.

FIG. 11 is a partial cross-sectional view of the upper limit locking mechanism of the limit latch of the present invention.

Fig. 12 is a schematic view of the locking state of the present invention in use.

Reference numerals are as follows: the limiting device comprises a cushion block 36, a connecting seat 37, a limiting sleeve body 38, a limiting bolt 39, a rotary locking bolt 40, a spring 41, a steel ball 42, a rotary locking nut 43, a rotary locking support 44, a cushion block through hole 45, a front support plate 47, a rear support plate 48, a lower support plate 49, a limiting front lower pin hole 50, a limiting rear upper pin hole 51, a limiting rear lower pin hole 52, a bolt hole 53, a connecting block 54, a connecting pin hole 55, an annular groove 56, a limiting groove 57, a locking head 58, a smooth section 59, a threaded section 60, a limiting boss 63, a limiting locking mechanism 64, an opening pin 65, a locking piece 66, an opening groove 67, a locking groove 68, a rotating piece 69, a crank 70 and a fixed opening pin 71.

Detailed Description

The following detailed description of embodiments of the utility model is provided in connection with the accompanying drawings.

As shown in fig. 1-3, a stop collar comprises a stop collar body 38, and is characterized in that: the inner wall of the limiting sleeve body 38 is provided with an annular groove 56, two sides of the inner wall of the limiting sleeve body 38 are provided with limiting grooves 57, the limiting grooves 57 are axially arranged, and the limiting grooves 57 are communicated with the annular groove 56, so that the fixing of the limiting sleeve or the vertical movement of the limiting sleeve relatively can be realized.

A twist-lock device comprises a twist-lock support 44 and a cushion block 36, and is characterized in that: the cushion block 36 is internally provided with the limit sleeve, the outer ring of the limit sleeve body 38 is fixedly connected with the cushion block 36, the limit sleeve body 38 is internally provided with a twist lock bolt 40, the twist lock bolt 40 is provided with a spring perforation, the spring perforation is internally provided with a spring 41, two ends of the spring 41 are respectively provided with a steel ball 42, the twist lock bolt 40 is arranged in the limit sleeve body 38, one end of the twist lock bolt 40 penetrates out of the cushion block 36 and is provided with a lock head 58, the other end of the twist lock bolt is provided with a twist lock nut 43, one end of the steel ball 42 is fixedly connected with the spring 41, the other end of the steel ball 42 is abutted against an annular groove 56 or a limit groove 57, so that the twist lock bolt can be fixed with the cushion block and can vertically move relative to the cushion block, the twist lock support 44 is provided with a cushion block through hole 45, the lower end of the twist lock support 44 is provided with a connecting seat 37, the connecting seat 37 comprises a front support plate 47, a rear support plate 48 and a lower support plate 49, the upper end of the front support plate 47 is fixedly connected with the front end of the twist lock support plate 44, the lower end of the rear support plate 48 is fixedly connected with the front end of a lower support plate 49, the upper end of the rear support plate 48 is fixedly connected with the rear end of a spin lock support 44, the lower end of the rear support plate is fixedly connected with the rear end of the lower support plate 49, two sides of the upper end of the front support plate 47 are respectively provided with a limiting front upper pin hole, two sides of the lower end of the front support plate 47 are respectively provided with a limiting front lower pin hole 50, two sides of the upper end of the rear support plate 48 are respectively provided with a limiting rear upper pin hole 51, two sides of the lower end of the rear support plate 48 are respectively provided with a limiting rear lower pin hole 52, the middle of the lower support plate 49 is provided with a bolt hole 53, two sides of the lower front lower end and two sides of the rear lower end of the cushion block 36 are respectively provided with a connecting block 54, the upper end of the connecting block 54 is fixedly connected with the cushion block 36, the connecting pin hole 55 is arranged on the connecting block 54, and the limiting bolt 39 passes through the limiting front upper pin hole, the connecting pin hole 55 and the limiting rear upper pin hole 51 to limit and fixedly connect the front support plate 47 and the rear support plate 48, the lock head 58 and the cushion block 36 are exposed out of the cushion block through hole 45, or the limit bolt 39 passes through the limit front lower pin hole 50, the connecting pin hole 55 and the limit rear lower pin hole 52 to limit and fixedly connect the cushion block 36 with the front support plate 47 and the rear support plate 48, the height of the upper end surface of the lock head 58 is not higher than that of the upper end surface of the spin-lock support 44, the spin-lock nut 43 is positioned below the lower support plate 49, the spin-lock nut 43 is in threaded connection with the spin-lock bolt 40, so that when locking is needed, the limit bolt positioned at the lower end of the front support plate is pulled out, the spin-lock bolt is lifted upwards, at the moment, because the steel balls are positioned between the through hole and the annular groove, the spin-lock bolt and the cushion block are limited by the steel balls and can simultaneously move upwards to expose the spin-lock support, the limit bolt is inserted into the limit front upper pin hole at the upper end of the front support plate, and the limit upper pin hole fixedly connect the cushion block with the front support plate and the rear support plate after passing through the connecting pin hole, the spiral locking bolt is rotated, so that the lock head of the spiral locking bolt rotates by 90 degrees, the steel ball rotates to the limiting groove from the annular groove at the moment, then the spiral locking nut is rotated, the limiting groove limits the rotation of the spiral locking bolt, the spiral locking bolt can only vertically move, and the lock head moves downwards to realize locking.

According to the utility model, the lower sides of the left end and the right end of the cushion block 36 are respectively and fixedly provided with the limiting bosses 63, so that when the spin lock bolt and the cushion block move upwards, the upper end surfaces of the limiting bosses abut against the lower end surface of the spin lock support to form limiting, and then the limiting bolts are inserted, so that the positioning is rapid, and time and labor are saved.

The limiting bolt 39 is provided with a limiting locking mechanism 64, the limiting locking mechanism 64 comprises a split pin 65 and a locking piece 66, one end of the limiting bolt 39 is provided with an open slot 67, a locking piece 66 is arranged in the open slot 67, two ends of the open slot 67 are provided with pin holes, the locking piece 66 is provided with a locking groove 68, the split pin 65 penetrates through the pin holes and the locking groove 68 to movably connect the locking piece 66 with the limiting bolt 39, the locking piece 66 can be placed in the open slot 67, or one end of the locking piece 66 is exposed out of the open slot 67 to form a limiting end, so that when the limiting bolt is inserted, the locking piece is rotated to enable the locking piece to be parallel to the limiting bolt, the locking piece is placed in the open slot, the limiting bolt penetrates through a limiting front pin hole, a connecting pin hole and a limiting rear pin hole to limit and fixedly connect a cushion block with a front support plate and a rear support plate, and then the locking piece is manually rotated to enable one end of the locking piece to be exposed out of the open slot, so that the limiting bolt can limit and cannot slide out.

According to the utility model, the rotating piece 69 is arranged at the lower end of the twist-lock bolt 40, the rotating piece 69 comprises the crank 70 and the fixed split pin 71, the lower end of the twist-lock bolt 40 is provided with a through hole and a split pin hole, the through hole is communicated with the split pin hole, one end of the crank 70 is provided with the crank pin hole, one end of the crank 70 is inserted into the through hole, and the fixed split pin 71 penetrates through the split pin hole and the crank pin hole to limit and fixedly connect the crank 70 and the twist-lock bolt 40, so that the twist-lock bolt is driven to rotate by the crank, and the operation is convenient.

The twist lock bolt 40 comprises a smooth section 59 and a threaded section 60, wherein the upper end of the smooth section 59 is fixedly connected with a lock head 58, the lower end of the smooth section 59 is fixedly connected with the threaded section 60, a spring through hole is formed in the smooth section 59, and the lower end of the threaded section 60 penetrates through a bolt hole 53 of a lower support plate 49 to be in threaded connection with a twist lock nut 43.

As shown in figures 4-12, before use, the two sides of the spin lock support can be provided with connecting plates, the spin lock support is fixed on the lower mounting part through the connecting plates, then the corresponding position of the upper mounting part is provided with a lock head, a cushion block inserting hole and a lock head accommodating space, when the utility model is not used, as shown in figure 7, the lock head and the cushion block do not leak out of the spin lock support, the upper mounting part can be translated on the spin lock support, when locking is needed, a limit bolt is pulled out, one end of a steel ball is fixedly connected with a spring, the other end of the steel ball is abutted against an annular groove, the bolt and the cushion block are limited and fixed due to the spring and the steel ball, the spin lock bolt and the cushion block can be simultaneously moved upwards through a crank, the spin lock support is exposed, the cushion block and the lock head penetrate through the inserting hole, the lock head enters the lock head accommodating space, as shown in figure 9, when the limit boss is abutted against the lower end of the spin lock, the lock head and the cushion block are lifted in place, inserting a limit bolt into a limit front upper pin hole at the upper end of a front support plate, limiting and fixedly connecting a cushion block with the front support plate and a rear support plate after penetrating through a connecting pin hole and a limit rear upper pin hole, rotating a crank handle to further rotate a spiral locking bolt to enable a lock head of the spiral locking bolt to rotate 90 degrees, rotating a steel ball into a limit groove from an annular groove, limiting the rotation of the spiral locking bolt by the limit groove to enable the spiral locking bolt to only vertically move, finely adjusting a spiral locking nut to enable the spiral locking bolt to downwards, abutting the lower end of the lock head against a plate at the lower end of a lock head accommodating space to be fixed, when the lock needs to be released, unscrewing the locking bolt, rotating the crank handle to enable the spiral locking bolt to rotate 90 degrees, further rotating the lock head 90 degrees, enabling the steel ball to enter the annular groove from the limit groove, limiting the spiral locking bolt and the cushion block are limited into a whole due to the steel ball and a spring, then pulling the limit bolt down, enabling the lock head and the cushion block to fall down, and abutting against the lower support plate, the cushion block and the twist lock bolt are limited, at the moment, the cushion block and the lock head both descend to the lower end of the twist lock support, as shown in the attached drawing 7, after the limiting bolt sequentially penetrates through the limiting front lower pin hole, the connecting pin hole and the limiting rear lower pin hole, the locking piece can be fixed by pulling down the limiting bolt.

Due to the adoption of the structure, the utility model has the advantages of ingenious structure, suitability for locking of the translational loading equipment, quick operation, smooth rotation, time and labor saving and the like.

Claims

1. The utility model provides a stop collar, includes the stop collar body, its characterized in that: the inner wall of the limiting sleeve body is provided with an annular groove, limiting grooves are formed in two sides of the inner wall of the limiting sleeve body and are axially arranged, and the limiting grooves are communicated with the annular groove.

2. The utility model provides a spin-lock device, includes spin-lock support and cushion, its characterized in that: the cushion block is internally provided with a limit sleeve as claimed in claim 1, the outer ring of the limit sleeve body is fixedly connected with the cushion block, the body of the limit sleeve is internally provided with a spin lock bolt, the spin lock bolt is provided with a spring perforation which is internally provided with a spring, the two ends of the spring are respectively provided with a steel ball, the spin lock bolt is arranged in the body of the limit sleeve, one end of the spin lock bolt penetrates out of the cushion block and is provided with a lock head, the other end of the spin lock bolt is provided with a spin lock nut, one end of the steel ball is fixedly connected with the spring, the other end of the steel ball abuts against the annular groove or the limit groove, the spin lock support is provided with a cushion block through hole, the lower end of the spin lock support is provided with a connecting seat, the connecting seat comprises a front support plate, a rear support plate and a lower support plate, the upper end of the front support plate is fixedly connected with the front end of the lower support plate, the upper end of the rear support plate is fixedly connected with the rear end of the spin lock support plate, and the lower end of the lower support plate is fixedly connected with the rear end of the lower support plate, the upper end of the front supporting plate is provided with a front limiting upper pin hole, the two sides of the lower end of the front supporting plate are provided with a front limiting lower pin hole respectively, the two sides of the upper end of the rear supporting plate are provided with a rear limiting upper pin hole respectively, the two sides of the lower end of the rear supporting plate are provided with a rear limiting lower pin hole respectively, the middle of the lower supporting plate is provided with a bolt hole, the two sides of the lower end in front of the cushion block and the two sides of the lower end in rear of the cushion block are provided with connecting blocks respectively, the upper ends of the connecting blocks are fixedly connected with the cushion block, the connecting pins pass through the front limiting upper pin hole, the connecting pin holes and the rear limiting upper pin hole to fixedly connect the cushion block with the front supporting plate and the rear supporting plate, so that the lock head and the cushion block are exposed out of the cushion block through hole, or the limiting pins pass through the front limiting lower pin hole, the connecting pin hole and the rear limiting lower pin hole to fixedly connect the cushion block with the front supporting plate and the rear supporting plate, so that the height of the upper end surface of the lock head is not higher than that the upper end surface of the spin-lock support, the spin lock nut is positioned below the lower support plate and is in threaded connection with the spin lock bolt.

3. A twist-lock device according to claim 2, wherein: be equipped with spacing locking mechanism on the spacing bolt, spacing locking mechanism includes split pin and lock piece, spacing bolt one end is equipped with the open slot, be equipped with the lock piece in the open slot, the open slot both ends are equipped with the pinhole, be equipped with the locking groove on the lock piece, the split pin passes pinhole and locking groove with lock piece and spacing bolt swing joint, and the lock piece can be arranged in the open slot, or lock piece one end exposes the spacing end of open slot formation.

4. A twist-lock device as claimed in claim 2 or 3, wherein: the twist lock bolt lower extreme is equipped with the rotating part, the rotating part includes crank and fixed split pin, twist lock bolt lower extreme is equipped with perforation and split pin hole, perforation and split pin hole are linked together, crank one end is equipped with the crank pinhole, in crank one end inserts the perforation, fixed split pin passes split pin hole and crank pinhole and with crank and the spacing fixed connection of twist lock bolt.

5. A twist-lock device as claimed in claim 2 or 3, wherein: the spin lock bolt comprises a smooth section and a thread section, the upper end of the smooth section is fixedly connected with the lock head, the lower end of the smooth section is fixedly connected with the thread section, a spring through hole is formed in the smooth section, and the lower end of the thread section penetrates through a bolt hole of the lower support plate to be in threaded connection with the spin lock nut.