Knob type track connection structure

Abstract

The utility model relates to a knob type track connection structure. The technical problem that an existing rail is unstable in connection is solved. Comprising a track connection block which is arranged between two adjacent track bodies, two ends of the track connection block extend to different side portions of the track bodies, a radial positioning piece is arranged on one side, away from the track bodies, of the track connection block, at least two knob mounting holes are formed in the track connection block, and extrusion knobs are rotatably arranged in the knob mounting holes. The inner end of the extrusion knob corresponds to the outer side of the track body, and the outer end of the extrusion knob abuts against the inner side of the radial positioning piece; a knob extrusion control assembly is arranged between the knob mounting hole and the extrusion knob, and when the extrusion knob rotates in the circumferential direction, the extrusion knob can move towards the outer side of the track body so that the inner end of the extrusion knob can abut against the outer side of the track body. The rail connecting device has the advantages that the rail connecting block and the extrusion knob can improve the rail body connecting effect and improve the rail body connecting efficiency. The knob extrusion control assembly can guarantee the extrusion stability of the extrusion knob on the track body.

Description

TECHNICAL FIELD

[0001] The utility model belongs to track connection equipment technical field, concretely relates to a knob formula track connection structure. BACKGROUND

[0002] The existing window curtain track is mostly single long track, and when facing various window sizes and complex decoration environment, the installation difficulty of the window curtain track is greatly improved, therefore, the spliced window curtain track appears on the market, and various window sizes and various decoration environments can be met through the multiple window curtain tracks, but the splicing structure of the existing spliced track is complex, the splicing efficiency is low, and the professional technical level of the installation personnel is required to be high, and the splicing part is prone to looseness in long-term use, which affects the normal use of the window curtain track and the user experience. SUMMARY

[0003] The utility model aims at the above -mentioned problem, provides a knob formula track connection structure.

[0004] To achieve the above object, the utility model adopts the following technical scheme: the utility model relates to a knob formula track connection structure, which comprises a track connection block arranged between two adjacent track bodies and extending to the side of different track bodies at both ends, a radial positioning member for fixing the track connection block and the track body in the radial direction is arranged on the side of the track connection block away from the track body, at least two knob mounting holes are arranged on the track connection block, and two of the knob mounting holes correspond to the side of different track bodies, respectively, a pressing knob is rotatably arranged in the knob mounting hole, the inner end of the pressing knob corresponds to the outer side of the track body, and the outer end of the pressing knob abuts against the inner side of the radial positioning member, a knob pressing control assembly is arranged between the knob mounting hole and the pressing knob, and when the pressing knob rotates in the circumferential direction, the pressing knob moves towards the outer side of the track body, so that the inner end of the pressing knob abuts against the outer side of the track body, the radial positioning member can fix the track connection block on the side of the track body, and the pressing knob can be limited, so that the pressing knob is stably arranged in the knob mounting hole, the pressing knob abuts against the track body through the knob pressing control assembly, the pressing effect is ensured, and the connection effect of the track connection plate is ensured.

[0005] In the above-mentioned knob formula track connection structure, the two ends of the radial positioning member extend to the outer sides of the two adjacent track bodies, respectively, and the upper and lower sides of the radial positioning member are connected with the track bodies, respectively, the two track bodies can be supported through the radial positioning member, and the connection effect of the track bodies is ensured.

[0006] In the knob type track connecting structure, the inner side of the radial positioning member and the outer side of the track body form an installation gap, the track connecting block is arranged in the installation gap, and the two sides of the track connecting block are respectively abutted with the inner side of the radial positioning member and the outer side of the track body. The track connecting block can be placed and supported through the installation gap, so that the installation efficiency and stability of the track connecting block are ensured.

[0007] In the knob type track connecting structure, the knob mounting hole is in the form of a stepped hole with an inner hole and an outer hole, the diameter of the outer hole is larger than that of the inner hole, and an annular step is formed between the outer hole and the inner hole. The extrusion knob has a knob disc-shaped part arranged in rotation in the outer hole, and the outer side of the knob disc-shaped part is flush with the outer side of the outer hole. A top pressing columnar part is arranged in the center of the knob disc-shaped part and arranged in rotation in the inner hole and penetrates the inner hole. The knob extrusion control assembly is arranged between the annular step and the knob disc-shaped part. The knob disc-shaped part can be abutted with the annular step through the outer hole, and the top pressing columnar part can be abutted with the track body through the inner hole through the knob extrusion control assembly, so that the top pressing effect of the top pressing columnar part is ensured.

[0008] In the knob type track connecting structure, the knob extrusion control assembly includes at least one arc-shaped top pressing slope arranged on the annular step. The height of one end of the arc-shaped top pressing slope gradually increases to the height of the other end. One end of the knob disc-shaped part is provided with at least one arc-shaped matching slope matched with the arc-shaped top pressing slope. The height of one end of the arc-shaped matching slope corresponding to the higher end of the arc-shaped top pressing slope gradually increases to the height of the other end. The arc-shaped top pressing slope and the arc-shaped matching slope can stably place the knob disc-shaped part on the annular step.

[0009] In the knob type track connection structure, the annular step has two arc-shaped top pressing slopes, the arc-shaped top pressing slopes are connected end to end to form an annular structure, one end of the higher height of one of the arc-shaped top pressing slopes and one end of the lower height of the other arc-shaped top pressing slope form a first limiting step, one end of the knob disc-shaped part has two arc-shaped matching slopes, the arc-shaped matching slopes are connected end to end to form an annular structure coaxial with the top pressing columnar part, one end of the higher height of one of the arc-shaped matching slopes and one end of the lower height of the other arc-shaped matching slope form a second limiting step, the arc-shaped top pressing slope and the arc-shaped matching slope can be abutted through the first limiting step and the second limiting step, when the knob disc-shaped part rotates, the second limiting step is displaced towards the higher position of the first limiting step through the arc-shaped top pressing slope and the arc-shaped matching slope, and the radial positioning member can limit the knob disc-shaped part, so that the top pressing columnar part of the knob disc-shaped part is displaced towards the inner hole, and the top pressing columnar part is pressed against the track body.

[0010] In the knob type track connection structure, one end of the higher height of the arc-shaped top pressing slope has a limiting groove on one side of the first limiting step, and one end of the higher height of the arc-shaped matching slope has a limiting protrusion on one side of the second limiting step, when the knob disc-shaped part is rotated and pressed, the limiting protrusion is connected with the limiting groove through clamping, so that the pressing stability of the knob disc-shaped part is ensured.

[0011] In the knob type track connection structure, the track connection block is provided with at least two pressing block mounting holes, the pressing block mounting holes are respectively provided with pressing blocks, and the two ends of the pressing blocks extend to the two sides of the pressing block mounting holes, respectively, the knob mounting holes are arranged in the pressing blocks, and the two sides of the pressing blocks are flush with the two sides of the track connection block, respectively.

[0012] In the knob type track connection structure, the radial positioning member is provided with lock operation holes corresponding to the pressing knobs one by one, the lock operation holes are smaller than the knob disc-shaped part, and the knob disc-shaped part is arranged on the inner side of the lock operation holes, so that the user can conveniently control and operate the knob disc-shaped part, and the operation efficiency is improved.

[0013] In the knob type track connection structure, the outer end of the knob disc-shaped part is provided with a lock groove corresponding to the lock operation hole and a lock mark.

[0014] Compared with the prior art, the advantages of the utility model lie in that:

[0015] 1. The track body connection effect is improved through the track connection block and the pressing knob, and the user can conveniently operate, so that the track body connection efficiency is improved.

[0016] 2, the extrusion control assembly through the knob can ensure the extrusion stability of the extrusion knob to the track body, and ensure the connection stability of the track body.

[0017] 3, through the knob mounting hole can facilitate the positioning of the extrusion knob, improve the installation efficiency of the extrusion knob, and ensure the extrusion effect of the extrusion knob. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of the embodiment one of the utility model.

[0019] Figure 2 is a structural section view of the embodiment one of the utility model.

[0020] Figure 3 is a structural schematic diagram of the track connection plate in the embodiment one of the utility model.

[0021] Figure 4 is a structural schematic diagram of the extrusion knob in the embodiment one of the utility model.

[0022] Figure 5 is a structural schematic diagram of the knob extrusion control assembly in the embodiment one of the utility model.

[0023] Figure 6 is a structural schematic diagram of the embodiment two of the utility model.

[0024] Figure 7 is a structural explosion diagram of the embodiment two of the utility model.

[0025] In the drawing: track body 1, track connection block 2, knob mounting hole 21, inner hole 211, outer hole 212, annular step 213, radial positioning member 3, installation gap 31, locking operation hole 32, extrusion knob 4, knob disc-shaped part 41, top pressure columnar part 42, locking groove 43, locking mark 44, knob extrusion control assembly 5, arc-shaped top pressure inclined surface 51, arc-shaped matching inclined surface 52, first limiting step 53, second limiting step 54, limiting groove 55, limiting protrusion 56, extrusion block mounting hole 6, extrusion block 7. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0027] Embodiment one

[0028] As Figure 1 , Figure 2As shown, the knob type track connecting structure, comprising a track connecting block 2 arranged between two adjacent track bodies 1 and extending to the side of different track bodies 1 at both ends, a radial positioning member 3 arranged on the side of the track connecting block 2 away from the track body 1 and capable of fixing the track connecting block 2 and the track body 1 radially, at least two knob mounting holes 21 arranged on the track connecting block 2 and two of the knob mounting holes 21 corresponding to the side of different track bodies 1 respectively, an extrusion knob 4 rotatably arranged in the knob mounting hole 21, the inner end of the extrusion knob 4 corresponding to the outside of the track body 1 and the outer end of the extrusion knob 4 abutting the inner side of the radial positioning member 3, a knob extrusion control assembly 5 arranged between the knob mounting hole 21 and the extrusion knob 4 and capable of moving the extrusion knob 4 towards the outside of the track body 1 when the extrusion knob 4 is circumferentially rotated, thereby abutting the inner end of the extrusion knob 4 against the outside of the track body 1, the radial positioning member 3 capable of fixing the track connecting block 2 on the side of the track body 1 and limiting the extrusion knob 4, thereby ensuring that the extrusion knob 4 is stably arranged in the knob mounting hole 21, and the knob extrusion control assembly 5 capable of abutting the extrusion knob 4 against the track body 1, thereby ensuring the extrusion effect and the connecting effect of the track connecting plate 2.

[0029] Specifically, the radial positioning member 3 extends to the outside of the two adjacent track bodies 1 at both ends, and the upper and lower sides of the radial positioning member 3 are connected to the track bodies 1 respectively, thereby supporting the two track bodies 1 and ensuring the connecting effect of the track bodies 1.

[0030] Among them, the inner side of the radial positioning member 3 and the outside of the track body 1 form an installation gap 31, the track connecting block 2 is arranged in the installation gap 31 and the two sides of the track connecting block 2 abut against the inner side of the radial positioning member 3 and the outside of the track body 1 respectively, the installation gap 31 can facilitate the placement of the track connecting block 2 and facilitate the support of the track connecting block 2, thereby ensuring the installation efficiency and stability of the track connecting block 2.

[0031] As shown in the drawings, Figure 1 , Figure 3 , Figure 4 , Figure 5As shown, the knob mounting hole 21 is in the form of a stepped hole having an inner hole 211 and an outer hole 212, the outer hole 212 has a diameter larger than that of the inner hole 211, and an annular step 213 is formed between the outer hole 212 and the inner hole 211. The extrusion knob 4 has a knob disc-shaped portion 41 rotatably arranged in the outer hole 212, and the outer side of the knob disc-shaped portion 41 is flush with the outer side of the outer hole 212. A top pressing columnar portion 42 is arranged in the center of the knob disc-shaped portion 41 and protrudes out of the inner hole 211. The knob extrusion control assembly 5 is arranged between the annular step 213 and the knob disc-shaped portion 41. The knob disc-shaped portion 41 can be easily abutted against the annular step 213 through the outer hole 212. The top pressing columnar portion 42 can be arranged to abut against the track body 1 through the inner hole 211 by the knob extrusion control assembly 5, thereby ensuring the top pressing effect of the top pressing columnar portion 42.

[0032] Further, the knob extrusion control assembly 5 includes at least one arc-shaped top pressing slope 51 arranged on the annular step 213. The height of one end of the arc-shaped top pressing slope 51 gradually increases to the height of the other end. One end of the knob disc-shaped portion 41 is provided with at least one arc-shaped matching slope 52 matched with the arc-shaped top pressing slope 51. The height of one end of the arc-shaped matching slope 52 gradually increases to the height of the other end corresponding to the higher end of the arc-shaped top pressing slope 51. The arc-shaped top pressing slope 51 and the arc-shaped matching slope 52 can stably place the knob disc-shaped portion 41 on the annular step 213.

[0033] Further, the knob extrusion control assembly 5 includes at least one arc-shaped top pressing slope 51 arranged on the annular step 213. The height of one end of the arc-shaped top pressing slope 51 gradually increases to the height of the other end. One end of the knob disc-shaped portion 41 is provided with at least one arc-shaped matching slope 52 matched with the arc-shaped top pressing slope 51. The height of one end of the arc-shaped matching slope 52 gradually increases to the height of the other end corresponding to the higher end of the arc-shaped top pressing slope 51. The arc-shaped top pressing slope 51 and the arc-shaped matching slope 52 can stably place the knob disc-shaped portion 41 on the annular step 213.

[0034] Further, the knob extrusion control assembly 5 includes at least one arc-shaped top pressing slope 51 arranged on the annular step 213. The height of one end of the arc-shaped top pressing slope 51 gradually increases to the height of the other end. One end of the knob disc-shaped portion 41 is provided with at least one arc-shaped matching slope 52 matched with the arc-shaped top pressing slope 51. The height of one end of the arc-shaped matching slope 52 gradually increases to the height of the other end corresponding to the higher end of the arc-shaped top pressing slope 51. The arc-shaped top pressing slope 51 and the arc-shaped matching slope 52 can stably place the knob disc-shaped portion 41 on the annular step 213. Figure 1 Figure 3 Figure 4 Figure 5 ​​​As shown, the high end of the arc-shaped top pressing slope 51 has a limiting groove 55 on one side of the first limiting step 53, and the high end of the arc-shaped matching slope 52 has a limiting protrusion 56 on one side of the second limiting step 54. When the knob disc-shaped part 41 is rotated and pressed, the limiting protrusion 56 is connected with the limiting groove 55 through clamping, thereby ensuring the stability of the pressing of the knob disc-shaped part 41.

[0035] The radial positioning member 3 is provided with locking operation holes 32 corresponding to the pressing knobs 4, respectively. The locking operation holes 32 are smaller than the knob disc-shaped part 41, and the knob disc-shaped part 41 is arranged on the inner side of the locking operation holes 32. Through the locking operation holes 32, the user can conveniently control the knob disc-shaped part 41, thereby improving the operation efficiency.

[0036] Specifically, the outer end of the knob disc-shaped part 41 is provided with a locking groove 43 corresponding to the locking operation hole 32 and a locking mark 44. Through the locking groove 43 and the locking operation hole 32, the user can conveniently control the knob disc-shaped part 41.

[0037] The principle of the embodiment is that the track connecting block 2 is arranged on the side of the track body 1 through the radial positioning member 3, and the track connecting block 2 is arranged on the track body 1 through the pressing knobs 4. Through the knob pressing control assembly 5, the pressing stability of the pressing knobs 4 can be ensured, the pressing effect of the pressing knobs 4 can be ensured, and the connecting effect of the track connecting block 2 on the connecting part of the track body 1 can be ensured.

[0038] Embodiment Two

[0039] The structure and working principle of the embodiment are basically the same as those of the first embodiment, and the difference lies in that, as shown in Figure 6 , Figure 7 The track connecting block 2 is provided with at least two pressing block mounting holes 6, the pressing block mounting holes 6 are respectively provided with pressing blocks 7, the two ends of the pressing blocks 7 respectively extend to the two sides of the pressing block mounting holes 6, the knob mounting holes 21 are respectively arranged in the pressing blocks 7, and the two sides of the pressing blocks 7 are flush with the two sides of the track connecting block 2. The two sides of the pressing block mounting holes 6 are provided with pressing block limiting grooves, and the two sides of the pressing blocks 7 are provided with pressing block limiting parts extending into the pressing block limiting grooves. The pressing block limiting parts are connected with the pressing block limiting grooves through insertion, and the installation stability of the pressing blocks 7 in the pressing block mounting holes 6 can be ensured. Through the pressing block mounting holes 6, the pressing blocks 7 can be conveniently installed and placed, and the pressing knobs 4 are arranged in the knob mounting holes 21 in the pressing blocks 7, thereby improving the installation efficiency of the pressing knobs 4.

[0040] The specific embodiments described herein are merely illustrative of the present application. Various modifications or changes can be made to the specific embodiments described herein by those skilled in the art of the present application without departing from the spirit of the present application or exceeding the scope of the appended claims.

[0041] Although the terms track body 1, track adapter block 2, knob mounting hole 21, inner hole 211, outer hole 212, annular step 213, radial positioning member 3, mounting gap 31, locking operation hole 32, extrusion knob 4, knob disc-shaped portion 41, top pressing cylindrical portion 42, locking groove 43, locking mark 44, knob extrusion control assembly 5, arc-shaped top pressing slope 51, arc-shaped matching slope 52, first limiting step 53, second limiting step 54, limiting groove 55, limiting protrusion 56, extrusion block mounting hole 6, extrusion block 7, etc. are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application; any interpretation of them as an additional limitation is contrary to the spirit of the present application.

Claims

1. A rotary knob type track connection structure comprising a track connection block (2) arranged between two adjacent track bodies (1) and extending to the side of different track bodies (1) at both ends, characterized in that, The track adapter block (2) is provided with a radial positioning member (3) on the side away from the track body (1), which can fix the track adapter block (2) and the track body (1) radially, the track adapter block (2) is provided with at least two knob mounting holes (21), two of which correspond to the sides of different track bodies (1), respectively, an extrusion knob (4) is rotatably arranged in the knob mounting hole (21), the inner end of the extrusion knob (4) corresponds to the outer side of the track body (1), and the outer end of the extrusion knob (4) abuts against the inner side of the radial positioning member (3), a knob extrusion control assembly (5) is arranged between the knob mounting hole (21) and the extrusion knob (4), which can make the extrusion knob (4) move towards the outer side of the track body (1) when the extrusion knob (4) rotates circumferentially, so that the inner end of the extrusion knob (4) abuts against the outer side of the track body (1).

2. A knob track interface structure according to claim 1, wherein, The radial positioning member (3) extends to the outer sides of the adjacent two track bodies (1) at both ends, respectively, and the upper and lower sides of the radial positioning member (3) are connected with the track bodies (1), respectively.

3. A knob track interface structure according to claim 1, wherein An installation gap (31) is formed between the inner side of the radial positioning member (3) and the outer side of the track body (1), the track adapter block (2) is arranged in the installation gap (31), and the two sides of the track adapter block (2) abut against the inner side of the radial positioning member (3) and the outer side of the track body (1), respectively.

4. A knob track interface structure according to claim 1 or 2 or 3, wherein, The knob mounting hole (21) is a stepped hole with an inner hole (211) and an outer hole (212), the diameter of the outer hole (212) is larger than that of the inner hole (211), an annular step (213) is formed between the outer hole (212) and the inner hole (211), the extrusion knob (4) has a knob disc-shaped part (41) rotatably arranged in the outer hole (212), the outer side of the knob disc-shaped part (41) is flush with the outer side of the outer hole (212), a top pressing columnar part (42) is arranged in the inner hole (211) and passes through the inner hole (211), and the knob extrusion control assembly (5) is arranged between the annular step (213) and the knob disc-shaped part (41).

5. A knob track interface structure according to claim 4, wherein The knob extrusion control assembly (5) includes at least one arc-shaped top pressing slope (51) arranged on the annular step (213), the height of one end of the arc-shaped top pressing slope (51) gradually increases to the height of the other end, one end of the knob disc-shaped part (41) is provided with at least one arc-shaped matching slope (52) matched with the arc-shaped top pressing slope (51), and the height of one end of the arc-shaped matching slope (52) gradually increases to the height of the other end, which corresponds to the higher end of the arc-shaped top pressing slope (51).

6. A knob track interface structure according to claim 5, wherein, The annular step (213) has two arc-shaped top pressing slopes (51) and the arc-shaped top pressing slopes (51) are connected in series to form an annular structure, one of the two arc-shaped top pressing slopes (51) has a higher end and the other has a lower end, and a first limiting step (53) is formed between the higher end and the lower end, one end of the knob disc-shaped part (41) has two arc-shaped matching slopes (52) and the arc-shaped matching slopes (52) are connected in series to form an annular structure coaxial with the top pressing cylindrical part (42), one of the two arc-shaped matching slopes (52) has a higher end and the other has a lower end, and a second limiting step (54) is formed between the higher end and the lower end.

7. A knob track interface structure according to claim 6, wherein The higher end of the arc-shaped top pressing slope (51) has a limiting groove (55) on one side of the first limiting step (53), and the higher end of the arc-shaped matching slope (52) has a limiting protrusion (56) on one side of the second limiting step (54).

8. The knob track interface of claim 1, wherein, The track connection block (2) is provided with at least two extrusion block mounting holes (6), the extrusion block mounting holes (6) are respectively provided with extrusion blocks (7), the extrusion blocks (7) extend to both sides of the extrusion block mounting holes (6), the knob mounting holes (21) are arranged in the extrusion blocks (7), and the two sides of the extrusion blocks (7) are flush with the two sides of the track connection block (2).

9. A knob track interface structure according to claim 6, wherein, The radial positioning member (3) is provided with lock operation holes (32) corresponding to the extrusion knobs (4) one by one, the lock operation holes (32) are smaller than the knob disc-shaped parts (41), and the knob disc-shaped parts (41) are arranged on the inner side of the lock operation holes (32).

10. A knob track interface structure according to claim 9, wherein, The outer end of the knob disc-shaped part (41) is provided with a lock groove (43) corresponding to the lock operation hole (32) and a lock mark (44).

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