CN209915547U - Display device capable of tightening picture - Google Patents

Abstract

The utility model discloses a can tighten up display device of picture, including the cover plate main part be equipped with drum assembly in the cover plate main part, be equipped with the torsional spring in the drum assembly's port department connects the core section of thick bamboo axle head, and the other end of core section of thick bamboo axle head is equipped with the round mouth, the inside core section of thick bamboo bearing seal head apron that is equipped with of round mouth, one side of its core section of thick bamboo bearing seal head apron is equipped with curb plate, cover plate and twist grip respectively there is circular opening all to be equipped with on curb plate, the cover plate, still includes ratchet assembly, ratchet assembly includes ratchet buckle, ratchet buckle and ratchet, the ratchet buckle is equipped with the opening in its left and right sides, is equipped with the hole with the lower extreme on its upper end, the one end of. The beneficial effects of the utility model are that through increasing ratchet subassembly, the elasticity of accessible handle autonomic regulation torsional spring avoids traditional torsional spring to tighten up the defect that the back is unadjustable to picture accessible clamp type mounting structure stability is better, and the installation is more convenient with the change.

Description

Display device capable of tightening picture

Technical Field

The utility model relates to a display device field, concretely relates to can tighten up display device of picture.

Background

The showing stand is a showing tool for propaganda materials, has the advantages of simplicity, clarity, unique cutting and the like, and can play the roles of showing commodities, conveying information and promoting sales. The display rack is widely applied to places such as enterprises and public institutions, advertising companies, display halls, leisure furniture, hotels, supermarkets and the like, and has novel and unique appearance for improving enterprise images. However, the traditional showing stand cannot be adjusted after the torsion spring is tightened, and if the torsion spring is damaged or idles, the whole roll screen can lose the folding and unfolding functions. Therefore, the problem that needs to be solved urgently now is to develop a torsion spring capable of adjusting the tightness of the torsion spring so as to solve the traditional defects.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a can tighten up display device of picture in order to solve above-mentioned defect, including the cover plate main part, be equipped with drum assembly in the cover plate main part, be equipped with the torsional spring in the drum assembly, drum shaft head is connected to drum assembly's port department, the other end of drum shaft head is equipped with the round mouth, the inside drum shaft seal head apron that is equipped with of round mouth, one side of its drum shaft seal head apron is equipped with curb plate, cover plate and twist grip respectively, all be equipped with circular opening on curb plate, the cover plate, its characterized in that still includes the ratchet subassembly, the ratchet subassembly includes ratchet buckle, ratchet buckle and ratchet, the ratchet buckle is equipped with the opening in its left and right sides, is equipped with the hole at its upper end and lower extreme, the one end of ratchet is the cylinder platform, the cylinder platform passes the curb plate, and its other end is equipped with the contact tooth be equipped with square groove on the cross section of ratchet, the contact teeth penetrate through the through hole to be connected to the ratchet retaining ring, a ratchet spring is arranged in the hole, a ratchet buckle is arranged inside the ratchet spring, the other end of the ratchet buckle is arranged in an inclined plane, and the shape of the ratchet buckle is clamped with the contact teeth.

The further improvement lies in that one end of the mandrel shaft seal head penetrates through the torsion spring and is fixed at the port of the roller assembly, and the mandrel shaft seal head cover plate penetrates through the round port and is arranged in the mandrel shaft seal head.

The further improvement lies in that a core cylinder shaft insert is arranged in the core cylinder shaft end socket.

The improved structure is characterized in that one end of the rotating handle is provided with a square projection, the square projection is inserted into the square groove, and the port of the square projection is in contact with the port of the mandrel shaft insert in the connected state.

The improved structure is characterized in that a clamping structure is arranged at one end of the roller assembly, and the clamping structure comprises a circular buckle and a pressing piece.

The improved structure is characterized in that a round convex block is arranged on the buckle, the convex block can be clamped in a round groove of the pressing piece, and the pressing piece can be moved to be attached to the outer surface of the buckle along the clamping part.

The further improvement lies in that the circular buckle and the pressing piece on the clamping structure are both made of aluminum.

A can tighten up display device of picture, its beneficial effect is: the setting up accessible handle of ratchet subassembly is from the elasticity of adjusting the torsional spring, avoids traditional torsional spring to tighten up the defect that the back is not adjustable to picture accessible clamp type mounting structure stability is better, and the installation is more convenient with the change.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an overall structure diagram of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 in an open state;

FIG. 4 is a schematic structural view of the ratchet assembly;

FIG. 5 is a cross-sectional view taken along the line A-A in FIG. 1;

FIG. 6 is a schematic view of the clamping structure;

in order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are merely exemplary of the invention, and that no limitations are intended to the details of construction or design herein shown. The present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of providing a more thorough understanding of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Detailed Description

In the embodiment, with reference to fig. 1 to 6, a display device capable of tightening a picture comprises a cover plate main body, a roller assembly 1 is arranged in the cover plate main body, a torsion spring 101 is arranged in the roller assembly 1, a core cylinder shaft end enclosure 19 is connected to a port of the roller assembly, a round opening 191 is arranged at the other end of the core cylinder shaft end enclosure 19, a core cylinder shaft seal head cover plate 15 is arranged in the round opening 191, a side plate 20, a cover plate 11 and a rotating handle 2 are respectively arranged on one side of the core cylinder shaft seal head cover plate 15, round openings are respectively arranged on the side plate 20 and the cover plate 11, the display device further comprises a ratchet wheel assembly, the ratchet wheel assembly comprises a ratchet wheel retaining ring 12, a ratchet wheel retaining 13 and a ratchet wheel 14, the ratchet wheel retaining ring 12 is provided with through openings 121 on the left side and the right side thereof, holes 122 are arranged at the upper end and the lower end of the, the other end of the ratchet buckle is provided with a contact tooth 142, the cross section of the ratchet 14 is provided with a square groove 143, the contact tooth 142 passes through the through hole 121 and is connected to the ratchet retaining ring 12, the hole 122 is internally provided with a ratchet spring 17, a ratchet buckle 13 is arranged inside the ratchet spring 17, and the other end of the ratchet buckle 13 is arranged in an inclined plane and is clamped with the contact tooth 142 in shape.

One end of the mandrel shaft seal head 19 penetrates through the torsion spring 101 and is fixed at the port of the roller component 1, and the mandrel shaft seal head cover plate 15 penetrates through the round port 191 and is arranged in the mandrel shaft seal head 19; a core barrel shaft insert 3 is arranged in the core barrel shaft end enclosure 19; one end of the rotating handle 2 is provided with a square projection 21, the square projection 21 is inserted into the square groove 143, and the port of the square projection 21 is contacted with the port of the mandrel shaft insert 3 under the connection state.

A clamping structure is arranged at one end of the roller assembly 1, and comprises a circular buckle 201 and a pressing piece 202; the buckle 201 is provided with a round convex block, the convex block can be clamped in a round groove of the pressing piece 202, the pressing piece 202 can be moved to be attached to the outer surface of the buckle 201 along the clamping part, and the round buckle 201 and the pressing piece 202 on the clamping structure are both made of aluminum.

The use principle is as follows: the contact teeth 142 on the ratchet 14 pass through the through hole 121, so that two ends of the ratchet 14 are respectively connected with the ratchet retaining ring 12 and the side plate 20, the core cylinder shaft seal head cover plate 15 passes through the round opening 191 and is fixed inside the core cylinder shaft seal head 19, the other end of the core cylinder shaft seal head 19 is fixedly connected with the port of the roller assembly 1, the square lug on the roller assembly 1 passes through the square groove in the ratchet 14, the core cylinder shaft insert 3 passes through the inside of the ratchet structure, the torsion spring 101 is fixedly arranged inside the roller assembly 1, the torsion spring 101 is in contact connection with the core cylinder shaft seal head 19, the rotating handle 2 can only carry out forward rotation, namely clockwise rotation, when the rotating handle 2 rotates, the ratchet 14 is driven to rotate, the contact teeth 142 on the ratchet 14 move in the same direction, and the ratchet spring 17 can also provide a pushing force for the ratchet retaining ring, make it regularly just pass once on contact tooth 142, make the elasticity that its handle can independently adjust the torsional spring to avoid original torsional spring to tighten up the unadjustable use defect of back, and the port of drum set spare 2 can all be equipped with and press from both sides tight structure, place the picture of cloth between buckle 201 and pressing piece 202, can be according to the needs that use, will press from both sides the piece and keep away from or laminate the surface of buckle 201, can open or compress tightly the picture. The pressing type installation is adopted to replace the original pasting installation mode, so that degumming is prevented, the installation is convenient, and the replacement is convenient.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments described above. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

Claims (7)

1. A display device capable of tightening pictures comprises a cover plate main body, wherein a roller assembly (1) is arranged in the cover plate main body, a torsion spring (101) is arranged in the roller assembly (1), a core cylinder shaft end enclosure (19) is connected to a port of the roller assembly, a round opening (191) is formed in the other end of the core cylinder shaft end enclosure (19), a core cylinder shaft seal head cover plate (15) is arranged inside the round opening (191), a side plate (20), a cover plate (11) and a rotating handle (2) are respectively arranged on one side of the core cylinder shaft seal head cover plate (15), round openings are formed in the side plate (20) and the cover plate (11), the display device is characterized by further comprising a ratchet wheel assembly, the ratchet wheel assembly comprises a ratchet wheel snap ring (12), a ratchet wheel buckle (13) and a ratchet wheel (14), through openings (121) are formed in the left side and the right side of the ratchet wheel snap ring (12), and holes, one end of the ratchet wheel (14) is a cylindrical table (141), the cylindrical table (141) penetrates through the side plate (20), contact teeth (142) are arranged at the other end of the cylindrical table, a square groove (143) is formed in the cross section of the ratchet wheel (14), the contact teeth (142) penetrate through the through hole (121) to be connected to the ratchet wheel retaining ring (12), a ratchet wheel spring (17) is arranged in the hole (122), a ratchet wheel buckle (13) is arranged inside the ratchet wheel spring (17), the other end of the ratchet wheel buckle (13) is arranged in an inclined plane, and the ratchet wheel buckle is clamped with the contact teeth (142) in shape.

2. A display device with a retractable picture according to claim 1, wherein one end of the said shaft end enclosure (19) of the said core cylinder passes through the torsion spring (101) and fixes it at the end of the roller assembly (1), and the shaft end cover plate (15) of the said core cylinder passes through the round opening (191) and locates it inside the shaft end enclosure (19) of the said core cylinder.

3. The display device with the retractable picture as claimed in claim 2, wherein the core shaft end enclosure (19) is internally provided with a core shaft insert (3).

4. A display device with a retractable picture according to claim 3, wherein one end of the rotary handle (2) is provided with a square projection (21), the square projection (21) is inserted into the square groove (143), and the port of the square projection (21) is contacted with the port of the mandrel shaft insert (3) in a connected state.

5. A display device with a retractable picture according to claim 4, wherein a clamping structure is arranged on the roller assembly (1), and the clamping structure comprises a circular buckle (201) and a pressing piece (202).

6. The display device with the retractable picture as claimed in claim 5, wherein the latch (201) is provided with a circular protrusion, the protrusion can be engaged in the circular groove of the pressing member (202), and the pressing member (202) can be moved along the engaging portion to be attached to the outer surface of the latch (201).

7. The display device with the retractable picture as claimed in claim 6, wherein the circular buckle (201) and the pressing member (202) of the clamping structure are made of aluminum.

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