CN213140710U

CN213140710U - Film roll support

Info

Publication number: CN213140710U
Application number: CN202021805076.9U
Authority: CN
Inventors: 黄少鹏; 韩阳阳; 张夏
Original assignee: Shaanxi Dunshi Civil Air Defense Equipment Engineering Co ltd
Current assignee: Shaanxi Dunshi Civil Air Defense Equipment Engineering Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-05-07
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a film roll support relates to the field of tectorial membrane maintenance, aims at improving the problem that the film roll of being not convenient for of correlation technique is put. It includes support frame, runner assembly, back shaft and spacing subassembly, the runner assembly including set firmly in two bearings of support frame both sides, two the bearing is coaxial to be set up, just the back shaft is inserted and is located two in the bearing inner race, spacing subassembly includes solid fixed ring, spring and slip ring, gu the fixed ring rigid coupling is on the inside wall of a bearing inner race, the slip ring passes through spring coupling on the inside wall of another bearing inner race, just gu fixed ring, spring and slip ring all with the coaxial setting of bearing. This application has the effect that the membrane of being convenient for is rolled up and is put.

Description

Film roll support

Technical Field

The application relates to the field of tectorial membrane maintenance, especially relate to a film roll support.

Background

When the reinforced concrete structure civil air defense door is manufactured, the reinforced concrete structure civil air defense door needs to be maintained after concrete is poured so as to improve the strength of the concrete. When the concrete poured in the civil air defense door frame is maintained, plastic films are mostly adopted for film-covering maintenance. At present, a film roll support is generally adopted to assist the plastic film roll-off.

The utility model discloses a chinese utility model patent that application number is 201220068387.0 discloses a plastic film rolls up support, including being used for inserting the stay tube at plastic film book middle part, it has the bracing piece to peg graft respectively at the stay tube both ends, the peripheral part that the bracing piece inserted stay tube one end is provided with the joint lug, the slot that supplies the joint lug to peg graft is seted up at the stay tube both ends, the bracing piece stretches out stay tube one end and is connected with the bearing, the welding of bearing below has the tripod, the tripod bottom is provided with the balancing weight. When the membrane is rolled up and is changed, the tripod of fixed one side removes the tripod of opposite side for the tripod drives the bracing piece and removes, keeps away from the stay tube until the bracing piece, takes out the plastic film and rolls up, inserts new plastic film and rolls up, removes the tripod and resets, accomplishes the plastic film and rolls up the change.

To the correlation technique among the above-mentioned, when the rotation bracing piece drove the plastic film book and unreeled, the plastic film book easily takes place relative rotation with the stay tube, influences the plastic film book and receive and release, and the inventor thinks that there is the defect that the film book of not being convenient for is unreeled.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the roll of film of correlation technique is not convenient for is rolled up and is put, this application provides a film roll support.

The application provides a film roll support adopts following technical scheme:

the utility model provides a film roll support, includes support frame, runner assembly, back shaft and spacing subassembly, the runner assembly including set firmly in two bearings of support frame both sides, two the bearing is coaxial to be set up, just the back shaft is inserted and is located two in the bearing inner circle, spacing subassembly includes solid fixed ring, spring and slip ring, gu the fixed ring rigid coupling is on the inside wall of a bearing inner circle, the slip ring passes through spring coupling on the inside wall of another bearing inner circle, just gu fixed ring, spring and slip ring all with the coaxial setting of bearing.

By adopting the technical scheme, the supporting shaft is pulled out of the bearing inner ring, the film roll is moved, one end of the film roll is abutted against the side wall of the sliding ring, which is close to the fixing ring, force is applied to the film roll, the film roll drives the sliding ring to move towards the direction close to the adjacent bearing, the spring is compressed until the distance between the sliding ring and the fixing ring is larger than the length of the film roll, the film roll is deflected, one end, which is far away from the sliding ring, of the film roll is abutted against the side wall, which is close to the sliding ring, of the fixing ring, the supporting shaft is inserted into the other bearing inner ring from one bearing inner ring through the spring, the sliding ring and the fixing ring, the supporting shaft supports the sliding ring; the spacing subassembly of design through solid fixed ring, slip ring and spring cooperation, carries out the elasticity centre gripping to the membrane book for the bracing piece can keep relative static with the membrane book, reduces the bracing piece and rolls up the possibility that takes place relative rotation with the membrane when rotating, and the membrane of being convenient for is rolled up and is put.

Preferably, a bolt penetrates through the side wall of the sliding ring, the bolt is in threaded connection with the sliding ring, and a jack for inserting the bolt is formed in the supporting shaft.

Through adopting above-mentioned technical scheme, the bolt and the jack of design are fixed the slip ring through the cooperation for the slip ring is static relatively with the back shaft, strengthens the centre gripping effect that slip ring and fixed ring rolled up the membrane.

Preferably, the jacks are arranged in a plurality of groups, and the jacks are arranged at intervals along the axial direction of the support shaft.

Through adopting above-mentioned technical scheme, the centre gripping to the membrane book of different length specifications has been strengthened to a plurality of jacks of design.

Preferably, the inner wall of the bearing inner ring is provided with a limit key, and the support shaft is provided with a limit groove which is matched with the limit key in an inserting manner.

Through adopting above-mentioned technical scheme, the relation of back shaft and bearing inner circle has been strengthened to the stopper and the spacing groove of design for the back shaft can be along with bearing inner circle together rotates, makes the bearing effect can obtain full play, is convenient for rotate the back shaft, has effectively reduced the manpower burden when rolling up the membrane, convenient and practical.

Preferably, all be provided with the bellying on the relative lateral wall of solid fixed ring and slip ring, the bellying is regular cone or hemispherical setting, just the through-hole that supplies the back shaft to pass is seted up to bellying center department.

Through adopting above-mentioned technical scheme, the bellying of design for solid fixed ring and sliding ring only roll up the inner tube with the membrane and contact, have avoided solid fixed ring and sliding ring and the membrane to roll up the film contact on and influence the film and roll up and put convenient to use.

Preferably, both ends of the support shaft are provided with thread sections, the thread sections are in threaded connection with limiting nuts, and when the support shaft is inserted into the two bearing inner rings, the thread sections are located on the outer sides of the adjacent bearings.

By adopting the technical scheme, the limiting nut at one end of the supporting shaft is unscrewed, the supporting shaft penetrates through the two bearing inner rings until the limiting nut on the supporting shaft is abutted against the adjacent bearing, and the limiting nut which is detached before the supporting shaft is screwed on the thread section of the supporting shaft penetrating through the bearing inner rings is screwed, so that the two limiting nuts are abutted against the adjacent bearing, and the limiting of the supporting shaft is completed; the screw thread section and the limit nut of design cooperate jointly to carry on spacingly to the back shaft, avoid the back shaft to rotate the in-process and slide along self axis direction and break away from with the bearing, guarantee the bearing to the supporting effect of back shaft, simple and practical.

Preferably, the diameter of the circumscribed circle of the limit nut is smaller than the inner diameter of the bearing outer ring.

Through adopting above-mentioned technical scheme, avoid limit nut and bearing inner race butt to rotate the bracing piece and produce the interference, reduce the operating personnel's that rotates the bracing piece intensity of labour, facilitate the use.

Preferably, a rocking handle is arranged on one end wall of the supporting shaft.

By adopting the technical scheme, the designed rocking handle is convenient for operators to drive the supporting rod to rotate, facilitates force application, and is simple and practical.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed limiting assembly is matched with the spring through the fixing ring, the sliding ring and the fixing ring to elastically clamp the film roll, so that the supporting rod and the film roll can keep relatively static, the possibility of relative rotation between the supporting rod and the film roll when the supporting rod rotates is reduced, and the film roll is convenient to roll;

2. the designed bolt and the jack are used for fixing the sliding ring in a matching way, so that the sliding ring and the support shaft are relatively static, and the clamping effect of the sliding ring and the fixed ring on the film roll is enhanced;

3. the screw thread section and the limit nut of design cooperate jointly to carry on spacingly to the back shaft, avoid the back shaft to rotate the in-process and slide along self axis direction and break away from with the bearing, guarantee the bearing to the supporting effect of back shaft, simple and practical.

Drawings

FIG. 1 is a schematic view of the overall structure of a film roll support according to an embodiment of the present application.

Fig. 2 is an exploded view of the sliding ring portion of fig. 1.

Fig. 3 is a schematic structural view of the fixing ring of fig. 1.

Reference numerals: 1. a support frame; 2. a bearing; 21. a limiting key; 3. a support shaft; 31. a jack; 32. a limiting groove; 33. a threaded segment; 331. a limit nut; 34. a rocking handle; 4. a limiting component; 41. a fixing ring; 42. a spring; 43. a slip ring; 431. a bolt; 5. a boss portion; 51. a through hole; 6. and (4) rolling the film.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a film roll support. Referring to fig. 1, the film roll stand includes a support frame 1, a rotation assembly, a support shaft 3, and a limit assembly 4.

Referring to fig. 1, the supporting frame 1 includes a horizontal frame, two vertical columns and four inclined supporting rods. The two upright posts are respectively welded on the top walls of the cross rods on the two sides of the horizontal frame, and the upright posts are perpendicular to the plane where the horizontal frame is located. The inclined supporting rods are four, every two inclined supporting rods correspond to one stand column, the two inclined supporting rods are arranged on two sides of the stand column respectively and symmetrically arranged along the length direction of the stand column, one end of each inclined supporting rod close to the stand column is welded on the stand column, and one end of each inclined supporting rod far away from the stand column is welded on the horizontal frame.

Referring to fig. 1 and 2, the rotating assembly includes two bearings 2 corresponding to the vertical column, the two bearings 2 are coaxially disposed, an outer ring of each bearing 2 is welded to one end of the vertical column far away from the horizontal frame, and an inner ring of each bearing 2 is welded to a limit key 21 along the length direction of the bearing 2. The supporting shaft 3 can be inserted into the inner rings of the two bearings 2, a limiting groove 32 for inserting the limiting key 21 is formed in the supporting shaft 3 along the length direction, and the limiting groove 32 penetrates through two end walls of the supporting shaft 3. The two ends of the support shaft 3 are also provided with thread sections 33, the end part of one thread section 33 is welded with a rocking handle 34, the two thread sections 33 are both in threaded connection with a limit nut 331, and the diameter of the circumscribed circle of the limit nut 331 is smaller than the inner diameter of the outer ring of the bearing 2. After the supporting shaft 3 is inserted into the inner rings of the two bearings 2, the two limit nuts 331 are adjusted to be respectively abutted against the adjacent inner rings of the bearings 2, so that the supporting shaft 3 can be clamped and limited, and the supporting shaft 3 is prevented from sliding along the axis direction of the supporting shaft 3 in the rotating process.

Referring to fig. 1 and 2, the limiting assembly 4 includes a fixing ring 41, a spring 42 and a sliding ring 43, the fixing ring 41 is coaxially welded to one side of the adjacent bearing 2 to form a sleeve, one end of the sleeve, which is far away from the fixing ring 41, is coaxially welded to the inner side wall of the inner ring of the adjacent bearing 2, and the inner diameter of the sleeve is larger than that of the support shaft 3. The sliding ring 43 is connected to the inner side wall of the inner ring of the other bearing 2 through a spring 42, one end of the spring 42 is welded with the side wall of the sliding ring 43 close to the adjacent bearing 2, the other end of the spring is welded with the inner side wall of the inner ring of the adjacent bearing 2, and the spring 42 and the sliding ring 43 are both arranged coaxially with the adjacent bearing 2.

Referring to fig. 2, a bolt 431 is provided through a side wall of the slide ring 43, the bolt 431 is screwed to the slide ring 43, and the support shaft 3 is provided with an insertion hole 31 into which the bolt 431 is inserted. The insertion holes 31 are provided in groups, and the insertion holes 31 are provided at intervals in the axial direction of the support shaft 3.

Referring to fig. 1 and 3, the opposite side walls of the fixed ring 41 and the sliding ring 43 are provided with protrusions 5, the protrusions 5 are in a regular conical shape or a hemispherical shape, and a through hole 51 for the support shaft 3 to pass through is formed in the center of the protrusion 5. In the present embodiment, the protruding portion 5 is formed in a hemispherical shape.

The implementation principle of the film roll support provided by the embodiment of the application is as follows: when the film roll 6 is installed, the limit nut 331 at one end of the support shaft 3 far away from the rocking handle 34 is unscrewed, the support shaft 3 is pulled out from the inner ring of the bearing 2, the film roll 6 is moved, one end of the film roll 6 is abutted against the boss part 5 of the sliding ring 43 to apply force to the film roll 6, the film roll 6 drives the sliding ring 43 to move towards the direction close to the adjacent bearing 2, the spring 42 is compressed until the distance between the sliding ring 43 and the fixed ring 41 is larger than the length of the film roll 6, the film roll 6 is deflected, so that the film roll 6 is abutted against the boss part 5 of the fixed ring 41, then, the position of the support shaft 3 is adjusted so that the limit groove 32 and the limit key 21 are aligned, the support shaft 3 is inserted from the inner ring of one bearing 2 to the inner ring of the other bearing 2 through the spring 42, the sliding ring 43 and the fixing ring 41 until the limit nut 331 near one end of the rocking handle 34 abuts on the inner ring of the bearing 2, at this time, the support shaft 3 supports the sliding ring 43, and the sliding ring 43 and the fixing ring 41 clamp the film roll 6 together. And then installing and screwing the limiting nut 331 at one end of the support shaft 3 far away from the rocking handle 34 until the limiting nut 331 at one end far away from the rocking handle 34 abuts against the inner ring of the bearing 2, thereby completing the limitation of the position of the support shaft 3. The bolts 431 are then installed so that the bolts 431 are screwed into the corresponding insertion holes 31 on the support shaft 3, the position limitation of the slide ring 43 is completed, and the installation of the film roll 6 is completed.

When the film roll 6 is placed, the rocking handle 34 is rotated, the rocking handle 34 drives the supporting shaft 3 to rotate, the supporting shaft 3 drives the film roll 6 to rotate clockwise or anticlockwise through the limiting component 4, and the film roll 6 on the film roll 6 is placed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A film roll holder, comprising: including support frame (1), runner assembly, back shaft (3) and spacing subassembly (4), the runner assembly including set firmly in two bearing (2) of support frame (1) both sides, two bearing (2) are coaxial to be set up, just back shaft (3) are inserted and are located two in bearing (2) inner circle, spacing subassembly (4) are including solid fixed ring (41), spring (42) and slip ring (43), gu fixed ring (41) rigid coupling is on the inside wall of a bearing (2) inner circle, slip ring (43) are connected on the inside wall of another bearing (2) inner circle through spring (42), just gu fixed ring (41), spring (42) and slip ring (43) all with bearing (2) are coaxial to be set up.

2. The film roll holder of claim 1, wherein: a bolt (431) is arranged through the side wall of the sliding ring (43), the bolt (431) is in threaded connection with the sliding ring (43), and an insertion hole (31) for inserting the bolt (431) is formed in the support shaft (3).

3. The film roll holder of claim 2, wherein: the jacks (31) are provided with a plurality of groups, and the jacks (31) are arranged at intervals along the axial direction of the support shaft (3).

4. The film roll holder of claim 1, wherein: the inner wall of the inner ring of the bearing (2) is provided with a limit key (21), and the support shaft (3) is provided with a limit groove (32) which is in plug-in fit with the limit key (21).

5. The film roll holder of claim 1, wherein: all be provided with bellying (5) on the relative lateral wall of solid fixed ring (41) and slip ring (43), bellying (5) are regular cone or hemispherical setting, just through-hole (51) that supply back shaft (3) to pass are seted up to bellying (5) center department.

6. The film roll holder of claim 1, wherein: both ends of the supporting shaft (3) are provided with thread sections (33), two thread sections (33) are connected with limit nuts (331) in a threaded mode, the supporting shaft (3) is inserted into the two inner rings of the bearing (2), and the thread sections (33) are located on the outer sides of the adjacent bearings (2).

7. The film roll holder of claim 6, wherein: the diameter of the circumscribed circle of the limiting nut (331) is smaller than the inner diameter of the outer ring of the bearing (2).

8. The film roll holder of claim 1, wherein: a rocking handle (34) is arranged on one end wall of the supporting shaft (3).