CN218465229U

CN218465229U - Spiral type telescopic top head structure

Info

Publication number: CN218465229U
Application number: CN202222482786.8U
Authority: CN
Inventors: 郑庆均
Original assignee: Dongguan Qingfeng Electric Machinery Co ltd
Current assignee: Dongguan Qingfeng Electric Machinery Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-02-10
Anticipated expiration: 2032-09-19

Abstract

The utility model belongs to the technical field of cable equipment technique and specifically relates to indicate a spiral flexible top structure, including the overcoat, the bearing frame, the back gland, the locking part, the loose axle, top and bearing, the bearing is installed in the inner chamber of bearing frame, the one end cartridge of loose axle is in the inner circle of bearing, the other end and the top fixed connection of loose axle, the top is located the one end face of bearing frame outward, the back gland is installed in another terminal surface of bearing frame, the bearing frame is located to the overcoat cover outside, the inner wall of overcoat and the lateral wall threaded connection of bearing frame, the locking part sets up in the overcoat, the locking part is used for locking or unblock overcoat and bearing frame. The utility model has the advantages of simple structure, it is with low costs, convenient operation, the top contract back or stretch out to adjust convenient, high-efficient, and through the locking part with overcoat and bearing frame lock solid together, can prevent effectively that bearing frame and overcoat are not hard up and lead to the top to contract back by oneself or stretch out, have improved the stability of using.

Description

Spiral type telescopic top head structure

Technical Field

The utility model belongs to the technical field of the cable equipment technique and specifically relates to indicate a spiral flexible top structure.

Background

The plug structure is an auxiliary accessory in a cable production facility for securing or releasing (unloading) reels. When the plug structure extends out, the plug structure fixes the wire coil; when the plug structure retracts, the plug structure releases the wire coil. Patent document No. 201820850598.7 discloses an anti-loosening wire coil plug, which realizes telescopic movement of the plug through threaded matching of an adjusting screw rod and an adjusting nut; because the in-process that the top telescopically moves need provide the space of dodging for adjusting screw, so need the machine-shaping on the top to produce the hole of dodging, when the top telescopically moves, adjusting screw can stretch out to dodge downtheholely, avoids adjusting screw and top to interfere. This structural design not only needs additionally to process out the hole of dodging on the top, has increased manufacturing process, has improved manufacturing cost, still can make the wall thickness attenuation of top, reduces the intensity of top. Therefore, the drawbacks are obvious, and it is highly desirable to provide a solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a spiral flexible top structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a spiral flexible top structure, it includes the overcoat, the bearing frame, back gland, the locking part, the loose axle, top and bearing, the bearing is installed in the inner chamber of bearing frame, the one end cartridge of loose axle is in the inner circle of bearing, the other end and the top fixed connection of loose axle, the top is located the terminal surface of bearing frame outward, back gland is installed in another terminal surface of bearing frame, outside the bearing frame was located to the overcoat cover, the inner wall of overcoat and the lateral wall threaded connection of bearing frame, the locking part sets up in the overcoat, the locking part is used for locking or unblock overcoat and bearing frame.

Furthermore, the loose axle includes coaxial coupling in proper order and the diameter first shaft section, second shaft section and third shaft section that gradually increases, and the quantity of bearing is two, and the inner circle of two bearings is the suit respectively outside first shaft section and second shaft section, and the circlip for the axle has been installed to first shaft section, and the both ends face of a bearing is contradicted with the one end face of circlip for the axle and second shaft section respectively, and second shaft section overcoat is equipped with the spacer sleeve, and the spacer sleeve presss from both sides and locates between two bearings, and the both ends face of another bearing is contradicted with the one end face of spacer sleeve and third shaft section respectively, and another end face and the top coaxial coupling of third shaft section.

Furthermore, the inner cavity of the bearing seat is provided with a first limiting step and a second limiting step, a bearing sleeved outside the first shaft section abuts against the first limiting step, and a bearing sleeved outside the second shaft section abuts against the second limiting step.

Furthermore, one end of the bearing seat close to the top is provided with a circlip for holes, and the bearing sleeved outside the second shaft section is clamped between the circlip for holes and the second limiting step.

Furtherly, the fastener is for installing in the index pin of the lateral wall of overcoat, and the via hole has radially been seted up of overcoat, and the lateral wall of bearing frame is sunken to be equipped with the spacing hole of stroke, and the pin of index pin runs through to stretch out to the spacing downthehole of stroke after passing the hole.

Further, the bearing is a deep groove ball bearing.

Further, the outer side wall of the outer sleeve is provided with an end ring, and the end ring is provided with a locking hole.

Further, the rear gland is locked on the bearing seat through screws.

Furthermore, the peripheral wall of the plug is provided with a conical surface.

The utility model has the advantages that: in practical application, the loose axle can rotate relative to the bearing frame under the effect of bearing, and the top rotates with the loose axle is synchronous, and the top is used for conflicting the drum to fixed drum, pivoted top can drive the synchronous rotation of drum. When the extending length of the ejector head relative to the outer sleeve needs to be adjusted, the locking piece unlocks the outer sleeve and the bearing seat, the outer sleeve and the bearing seat are driven to rotate relatively, and under the action of threaded matching of the outer sleeve and the bearing seat, the bearing seat retracts or extends relative to the outer sleeve, so that the ejector head retracts or extends relative to the outer sleeve; after the adjustment is finished, the outer sleeve and the bearing seat are locked together through the locking piece, so that the position accuracy and the stability of the bearing seat and the ejector head are ensured; when the ejector head retracts, the ejector head loosens the fixation of the wire coil; when the plug extends out, the plug fixes the wire coil. The utility model has the advantages of simple structure, it is with low costs, convenient operation, the top contract back or stretch out to adjust convenient, high-efficient, and through the locking part with overcoat and bearing frame lock solid together, can prevent effectively that bearing frame and overcoat are not hard up and lead to the top to contract back by oneself or stretch out, have improved the stability of using.

Drawings

Fig. 1 is a sectional view of the present invention.

Description of reference numerals:

1. a jacket; 2. a bearing seat; 3. a rear gland; 4. a locking piece; 5. a movable shaft; 6. ejecting; 7. a bearing; 8. a first shaft section; 9. a second shaft section; 10. a third shaft section; 11. a circlip for the shaft; 12. a spacer sleeve; 13. a first limit step; 14. a second limit step; 15. a circlip for a hole; 16. a via hole; 17. a stroke limiting hole; 18. an end ring; 19. locking holes; 20. a screw; 21. a conical surface.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1, the utility model provides a pair of a spiral flexible top structure for fixing or unclamping (uninstallation) drum, it includes overcoat 1, bearing frame 2, back gland 3, locking part 4, loose axle 5, top 6 and bearing 7, bearing 7 is installed in the inner chamber of bearing frame 2, the one end cartridge of loose axle 5 is in bearing 7's inner circle, the other end and the 6 fixed connection in top of loose axle 5, top 6 is located the terminal surface of bearing frame 2 outward, back gland 3 is installed in another terminal surface of bearing frame 2, overcoat 1 cover is located outside bearing frame 2, the inner wall of overcoat 1 and the lateral wall threaded connection of bearing frame 2, locking part 4 sets up in overcoat 1, locking part 4 is used for locking or unblock overcoat 1 and bearing frame 2.

In practical application, loose axle 5 can rotate bearing frame 2 relatively under the effect of bearing 7, and top 6 rotates with loose axle 5 is synchronous, and top 6 is used for conflicting the drum to fixed drum, pivoted top 6 can drive the synchronous rotation of drum. When the extending length of the top head 6 relative to the outer sleeve 1 needs to be adjusted, the locking piece 4 unlocks the outer sleeve 1 and the bearing seat 2, the outer sleeve 1 and the bearing seat 2 are driven to rotate relatively, and under the effect of threaded matching of the outer sleeve 1 and the bearing seat 2, the bearing seat 2 retracts or extends relative to the outer sleeve 1, so that the top head 6 retracts or extends relative to the outer sleeve 1; after the adjustment is finished, the outer sleeve 1 and the bearing seat 2 are locked together through the locking piece 4, so that the position precision and the stability of the bearing seat 2 and the ejector 6 are ensured; when the plug 6 retracts, the plug 6 loosens the fixation of the wire coil; when the plug 6 is extended, the plug 6 fixes the wire coil. The utility model has the advantages of simple structure, it is with low costs, convenient operation, the top 6 return to contract or stretch out to adjust convenient, high-efficient, need not to make up the hole of dodging on top 6, and through locking part 4 with overcoat 1 with 2 locks of bearing frame together, can prevent effectively that bearing frame 2 is not hard up with overcoat 1 and leads to top 6 to return by oneself to contract or stretch out, has improved the stability of using.

Specifically, the outer side surface of the rear gland 3 is provided with a screwing groove (such as a straight groove, a cross groove or an inner hexagonal hole) which is inserted into by a knob tool (such as a screwdriver) and the rear gland 3 is screwed by the knob tool, so that the rear gland 3 drives the bearing seat 2 to rotate relative to the outer sleeve 1, and the operation is simple and convenient.

Specifically, loose axle 5 and top 6 formula structure as an organic whole for loose axle 5 and top 6's firm in connection, structural stability is good, the manufacturing of being convenient for.

Specifically, the inner wall of overcoat 1 is provided with the internal thread, and the lateral wall of bearing frame 2 is provided with the external screw thread, internal thread and external screw thread spiro union.

In this embodiment, the movable shaft 5 includes a first shaft section 8, a second shaft section 9 and a third shaft section 10 which are coaxially connected in sequence and have gradually increasing diameters, so that a step is formed between the adjacent shaft sections, the number of the bearings 7 is two, inner rings of the two bearings 7 are respectively sleeved outside the first shaft section 8 and the second shaft section 9, the first shaft section 8 is provided with a shaft elastic collar 11, two end faces of one bearing 7 (the small bearing 7) are respectively abutted against the shaft elastic collar 11 and one end face of the second shaft section 9, the second shaft section 9 is externally sleeved with a spacer 12, the spacer 12 is clamped between the two bearings 7, two end faces of the other bearing 7 (the large bearing 7) are respectively abutted against the spacer 12 and one end face of the third shaft section 10, and the other end face of the third shaft section 10 is coaxially connected with the top head 6; specifically, the inner cavity of the bearing seat 2 is provided with a first limit step 13 and a second limit step 14, the bearing 7 (small bearing 7) sleeved outside the first shaft section 8 abuts against the first limit step 13, and the bearing 7 (large bearing 7) sleeved outside the second shaft section 9 abuts against the second limit step 14; specifically, one end of the bearing seat 2 close to the plug 6 is provided with a circlip 15 for holes, and the bearing 7 sleeved outside the second shaft section 9 is clamped between the circlip 15 for holes and the second limiting step 14; the two bearings 7 are not of the same dimensional specification.

During actual assembly, the large bearing 7 is firstly sleeved outside the second shaft section 9 until the large bearing 7 abuts against the third shaft section 10, the spacer 12 is then sleeved outside the second shaft section 9 until one end of the spacer 12 abuts against the large bearing 7, then the small bearing 7 is sleeved outside the first shaft section 8 until the small bearing 7 abuts against the second shaft section 9, then the circlip 11 for the shaft is installed on the first shaft section 8, so that the circlip 11 for the shaft cooperates with the second shaft section 9 and the spacer 12 to limit the small bearing 7, the spacer 12 cooperates with the third shaft section 10 to limit the large bearing 7, so as to assemble the top module, then the top module is assembled in the inner cavity of the bearing seat 2 until the small bearing 7 abuts against the first limiting step 13, the large bearing 7 abuts against the second limiting step 14, and finally the circlip 15 for the hole is assembled in the inner cavity of the bearing seat 2, so that the circlip 15 cooperates with the second limiting step 14 to limit the large bearing 7, thereby realizing the assembly of the top module and the bearing seat 2. This structural design is reasonable and compact, and the dismouting is convenient with the maintenance, and structural stability is good, has improved the utility model discloses stability at the during operation.

In this embodiment, the locking part 4 is the index pin installed on the outer side wall of the outer sleeve 1, a through hole 16 is radially formed in the outer sleeve 1, a stroke limiting hole 17 is concavely formed in the outer side wall of the bearing seat 2, and a pin of the index pin penetrates through the through hole 16 and then protrudes into the stroke limiting hole 17. By controlling the index pin, the pin of the index pin enters or moves out of the stroke limit hole 17, so that the outer sleeve 1 and the bearing seat 2 are locked or unlocked; when the pin of the index pin enters the stroke limiting hole 17, the bearing seat 2 and the outer sleeve 1 cannot rotate relatively, so that the outer sleeve 1 is locked on the bearing seat 2 by the index pin; when the pin of the index pin moves out of the stroke limiting hole 17, the bearing seat 2 can rotate relative to the outer sleeve 1, so that the bearing seat 2 can move telescopically relative to the outer sleeve 1.

In this embodiment, the bearing 7 is a deep groove ball bearing. The bearing 7 has small friction coefficient and high limit rotating speed, is suitable for operation at high rotating speed or even extremely high rotating speed, is very durable and does not need frequent maintenance.

In this embodiment, the outer side wall of the jacket 1 is provided with an end ring 18, and the end ring 18 is provided with a locking hole 19. In practical application, the stud of the bolt penetrates through the locking hole 19 and then is in threaded connection with the external structure so as to lock the end ring 18 on the external structure, thereby realizing the fixed installation of the outer sleeve 1 and being convenient and fast to install.

In this embodiment, the rear gland 3 is fastened to the bearing seat 2 by screws 20; this structural design for back gland 3 and bearing frame 2's firm in connection, the dismouting is convenient with the maintenance, and the foreign matter is difficult to get into the inner chamber of bearing frame 2.

In this embodiment, the circumferential wall of the plug 6 is provided with the conical surface 21, and the arrangement of the conical surface 21 facilitates the matching of the plug 6 with the end surface of the wire coil, thereby facilitating the fixing of the wire coil by the plug 6.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a spiral flexible top structure which characterized in that: including the overcoat, the bearing frame, back gland, the locking part, the loose axle, top and bearing, the bearing is installed in the inner chamber of bearing frame, the one end cartridge of loose axle is in the inner circle of bearing, the other end and the top fixed connection of loose axle, the top is located the terminal surface of bearing frame, back gland is installed in another terminal surface of bearing frame, outside the bearing frame was located to the overcoat cover, the inner wall of overcoat and the lateral wall threaded connection of bearing frame, the locking part sets up in the overcoat, the locking part is used for locking or unblock overcoat and bearing frame.

2. A screw-type telescopic plug structure according to claim 1, wherein: the movable shaft comprises a first shaft section, a second shaft section and a third shaft section which are sequentially and coaxially connected and have gradually-increased diameters, the number of the bearings is two, inner rings of the two bearings are respectively sleeved outside the first shaft section and the second shaft section, the first shaft section is provided with an elastic check ring for the shaft, two end faces of one bearing are respectively abutted against one end face of the elastic check ring for the shaft and one end face of the second shaft section, a spacer sleeve is sleeved outside the second shaft section and clamped between the two bearings, two end faces of the other bearing are respectively abutted against one end face of the spacer sleeve and one end face of the third shaft section, and the other end face of the third shaft section is coaxially connected with the top.

3. A screw type telescopic plug structure according to claim 2, wherein: the inner cavity of the bearing seat is provided with a first limiting step and a second limiting step, a bearing sleeved outside the first shaft section abuts against the first limiting step, and a bearing sleeved outside the second shaft section abuts against the second limiting step.

4. A screw type telescopic plug structure according to claim 3, wherein: one end of the bearing seat close to the top is provided with a hole elastic check ring, and the bearing sleeved outside the second shaft section is clamped between the hole elastic check ring and the second limiting step.

5. A screw type telescopic plug structure according to claim 1, wherein: the fastener is for installing the index pin in the lateral wall of overcoat, and the via hole has radially been seted up to the overcoat, and the lateral wall of bearing frame is concave to be equipped with the spacing hole of stroke, and the pin of index pin runs through to stretch to the spacing downthehole of stroke behind the hole.

6. A screw-type telescopic plug structure according to claim 1, wherein: the bearing is a deep groove ball bearing.

7. A screw type telescopic plug structure according to claim 1, wherein: the outer side wall of the outer sleeve is provided with an end ring, and the end ring is provided with a locking hole.

8. A screw-type telescopic plug structure according to claim 1, wherein: the rear gland is locked on the bearing seat through a screw.

9. A screw type telescopic plug structure according to claim 1, wherein: the peripheral wall of the plug is provided with a conical surface.