CN214003108U

CN214003108U - Belt pinch roller device of arc-shaped automatic door unit

Info

Publication number: CN214003108U
Application number: CN202022150599.0U
Authority: CN
Inventors: 朱云林
Original assignee: Chuanmu Automatic Door Changzhou Co ltd
Current assignee: Chuanmu Automatic Door Changzhou Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-20
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to an automatically-controlled door technical field just discloses an arc automatic door machine group belt pulley device, including the pinch roller pedestal, the fixed welding of lateral wall of pinch roller pedestal upside has the dead lever, the outer movable sleeve of dead lever is equipped with the sleeve, telescopic lower extreme symmetric connection has two limit slider, two limit slider all is through screw and telescopic lower extreme fixed connection, two and limit slider assorted limit chute, two have been seted up to the pole wall symmetry of dead lever in the limit slider card is gone into two limit chute respectively, two screws have been seted up to telescopic outer wall symmetry, and the equal screw thread has cup jointed locking screw in two screws, the screw has all been stretched out at locking screw's both ends. The utility model discloses the effectual easy problem of damaging of pinch roller deflection of having avoided the skew of pinch roller axle to lead to the unable normal use of pinch roller, the effectual stability that improves the pinch roller.

Description

Belt pinch roller device of arc-shaped automatic door unit

Technical Field

The utility model relates to an automatically-controlled door technical field especially relates to an arc automatic door machine group belt pulley device.

Background

The arc automatic door has beautiful and soft arc appearance and is matched with a crystal transparent glass door leaf, so that the arc automatic door has unique and luxurious appearance and is a common entrance door for hotels, shopping malls, airports and restaurants. The driving unit of the arc-shaped automatic door needs to use a belt pinch roller for transmission and movement.

For example, chinese patent No. CN204728880U discloses a belt pinch roller device of an arc-shaped automatic door machine set, which includes a belt pinch roller shaft seat, a belt pinch roller shaft frame, a belt pinch roller shaft and a belt pinch roller, wherein the belt pinch roller is fixed on the belt pinch roller shaft, the belt pinch roller shaft is inserted into the belt pinch roller shaft frame, a thread is arranged at one end of the belt pinch roller shaft frame connected with the belt pinch roller shaft seat, the belt pinch roller frame is inserted into the belt pinch roller shaft seat through the thread, and the belt pinch roller shaft seat is radially positioned through the thread. The belt pinch roller device of the arc-shaped automatic door unit in the patent has the following defects: the device adopts a threaded structure for length adjustment, needs rotation adjustment, cannot accurately position after adjustment, and is easy to cause deflection of the pressing wheel, so that the guide pillar pressing wheel is twisted when in use, and the pressing wheel is easy to damage; and lack firm dead-lock structure between the belt pinch roller axle of above-mentioned device and the belt pinch roller axle frame, lead to belt pinch roller axle and the easy relative displacement of belt pinch roller axle frame to lead to the pinch roller skew, lead to the unable normal use of pinch roller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the adjustment length of the thread structure easily leads to the deviation of the pressing wheel and the relative displacement between the belt pressing wheel shaft and the belt pressing wheel shaft frame easily in the prior art, and providing an arc-shaped automatic door unit belt pressing wheel device.

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

a belt pulley pressing device of an arc-shaped automatic door machine set comprises a pressing wheel shaft frame, wherein a fixed rod is fixedly welded on the side wall of the upper side of the pressing wheel shaft frame, a sleeve is movably sleeved outside the fixed rod, the lower end of the sleeve is symmetrically connected with two limiting slide blocks, the two limiting slide blocks are fixedly connected with the lower end of the sleeve through screws, two limiting slide grooves matched with the limiting slide blocks are symmetrically formed in the rod wall of the fixed rod, the two limiting slide blocks are respectively clamped into the two limiting slide grooves, the outer wall of the sleeve is symmetrically provided with two screw holes, locking screw rods are sleeved in the two screw holes in a uniform threaded manner, the two ends of each locking screw rod extend out of the screw holes, a plurality of locking grooves are symmetrically and fixedly connected to the rod wall of the fixed rod, one end of each locking screw rod is positioned in the locking groove, the upper end of the sleeve is connected with a mounting plate, and two mounting holes are symmetrically formed in the side wall of the upper side of the mounting plate, the mounting holes are movably sleeved with pin bolts, the side wall of the left side of the pinch roller shaft frame is provided with a fixing hole, the fixing hole is connected with a pinch roller shaft through a fixing mechanism, the shaft wall of the pinch roller shaft is symmetrically and rotatably connected with two pinch rollers through bearings, and the pinch roller shaft frame is positioned between the two pinch rollers.

Preferably, the fixing mechanism comprises two external threaded pipes fixedly connected to the side walls of the left side and the right side of the pinch roller shaft frame, two first pin holes are symmetrically formed in the outer walls of the two external threaded pipes, two second pin holes corresponding to the first pin holes are symmetrically formed in the shaft wall of the pinch roller shaft, the same pin rod is movably inserted into the two first pin holes and penetrates through the pinch roller shaft through the second pin holes, and an internal thread cylinder is sleeved outside the two external threaded pipes through a thread feeding sleeve.

Preferably, the shaft wall of the pinch roller shaft is provided with threads, the shaft wall of the pinch roller shaft is sleeved with four limit nuts, and the pinch roller is located between two adjacent limit nuts.

Preferably, the lateral wall fixedly connected with screw thread post of mounting panel downside, the inner wall that the sleeve is close to the upper end is provided with the screw thread, screw thread post screw thread cup joints in the sleeve.

Preferably, the sleeve is close to the outer wall fixedly connected with L type locating piece of upper end, the lateral wall fixedly connected with triangle locating piece of mounting panel downside, L type locating piece aligns with the triangle locating piece.

Preferably, the lateral wall fixedly connected with backing plate of mounting panel upside, the material of backing plate is rubber, two through-holes have been seted up to the lateral wall symmetry of backing plate upside, the round pin bolt runs through the backing plate through the through-hole.

Preferably, the axle wall of the pinch roller axle is symmetrically and fixedly connected with two limiting plates, the two limiting plates are both located in the fixing hole, two limiting grooves are symmetrically formed in the hole wall of the fixing hole, and one side of each limiting plate is located in each limiting groove.

Preferably, the outer wall of the internal thread cylinder is symmetrically and fixedly connected with two push rods for rotating the internal thread cylinder.

Preferably, the rod wall of the locking screw rod positioned outside the sleeve is symmetrically and fixedly connected with two screwing rods.

Compared with the prior art, the utility model provides an arc automatically-controlled door unit belt pinch roller device possesses following beneficial effect:

1. the belt press wheel device of the arc-shaped automatic door unit rotates two locking screw rods when adjusting the relative length between the fixed rod and the sleeve through the arranged pressing wheel shaft bracket, the fixed rod, the sleeve, the limiting slide block, the screw, the limiting slide groove, the locking screw rods, the locking groove, the mounting plate, the mounting hole, the pin bolt, the fixed hole, the pressing wheel shaft and the pressing wheel, the locking screw rod is withdrawn from the locking groove through the thread fit between the locking screw rod and the screw hole, the limit fixation of the locking screw rod on the fixed rod is released, the fixed rod is pulled to slide in the sleeve, thereby changing the relative length of the fixed rod and the sleeve, screwing the locking screw rod into the corresponding locking groove again to complete the locking of the fixed rod, because spacing slider and spacing spout are mutually supported, can avoid dead lever removal when removing the rotation of production to can avoid the pinch roller to deflect, the effectual easy problem of damaging of pinch roller deflection of having avoided.

2. This belt pulley device of arc automatic door unit, through the external screw thread pipe that sets up, first pinhole, the second pinhole, pin rod and internal thread section of thick bamboo, during the use, insert the pinch roller axle fixed orifices, make the first pinhole of second pinhole alignment, insert first pinhole and second pinhole with the pin rod, twist external screw thread outside of tubes with internal thread section of thick bamboo, internal thread section of thick bamboo can carry on spacingly to the pin rod, avoid the pin rod to break away from first pinhole and second pinhole, the pin rod can carry out spacing fixed to the pinch roller axle, avoid the pinch roller skew, avoided the skew of pinch roller axle to lead to the unable normal use problem of pinch roller, the effectual stability that improves the pinch roller.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the effectual easy problem of damaging of pinch roller deflection of having avoided the pinch roller shaft skew to lead to the unable normal use of pinch roller, the effectual stability that improves the pinch roller.

Drawings

Fig. 1 is a schematic structural view of a belt pinch roller device of an arc-shaped automatic door unit provided by the utility model;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of portion B of FIG. 1;

fig. 4 is a schematic structural view of a portion C in fig. 1.

In the figure: 1 pinch roller pedestal, 2 fixed rods, 3 sleeves, 4 limit slide blocks, 5 screws, 6 limit slide grooves, 7 lock screws, 8 lock grooves, 9 mounting plates, 10 mounting holes, 11 cotters, 12 fixing holes, 13 pinch roller shafts, 14 pinch rollers, 15 external thread pipes, 16 first pin holes, 17 second pin holes, 18 cotters, 19 internal thread cylinders, 20 limit nuts, 21 thread columns, 22L-shaped positioning blocks, 23 triangular positioning blocks, 24 backing plates, 25 limit plates, 26 limit grooves, 27 push rods and 28 screwing rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a belt pinch roller device of an arc-shaped automatic door unit comprises a pinch roller shaft bracket 1, a fixed rod 2 is fixedly welded on the side wall of the upper side of the pinch roller shaft bracket 1, a sleeve 3 is movably sleeved outside the fixed rod 2, the lower end of the sleeve 3 is symmetrically connected with two limit sliders 4, the two limit sliders 4 are fixedly connected with the lower end of the sleeve 3 through screws 5, two limit chutes 6 matched with the limit sliders 4 are symmetrically arranged on the rod wall of the fixed rod 2, the two limit sliders 4 are respectively clamped into the two limit chutes 6, two screw holes are symmetrically arranged on the outer wall of the sleeve 3, locking screws 7 are respectively sleeved in the two screw holes in a threaded manner, both ends of each locking screw 7 extend out of the screw hole, a plurality of locking grooves 8 are symmetrically and fixedly connected with the rod wall of the fixed rod 2, one end of each locking screw 7 is positioned in the locking groove 8, and the upper end of the sleeve 3 is connected with a mounting plate 9, the side wall of the upper side of the mounting plate 9 is symmetrically provided with two mounting holes 10, the two mounting holes 10 are movably sleeved with a bolt 11, the side wall of the left side of the pressure wheel shaft frame 1 is provided with a fixing hole 12, the fixing hole 12 is connected with a pressure wheel shaft 13 through a fixing mechanism, the shaft wall of the pressure wheel shaft 13 is symmetrically and rotatably connected with two pressure wheels 14 through bearings, the pressure wheel shaft frame 1 is positioned between the two pressure wheels 14, when the relative length between the fixing rod 2 and the sleeve 3 is adjusted, the two locking screw rods 7 are rotated, the locking screw rods 7 are withdrawn from the locking grooves 8 through the thread fit between the locking screw rods and the screw holes, the limiting fixation of the locking screw rods 7 on the fixing rod 2 is released, the fixing rod 2 is pulled to slide in the sleeve 3, so that the relative length between the fixing rod 2 and the sleeve 3 is changed, the locking screw rods 7 are screwed into the corresponding locking grooves 8 again, and the locking of the fixing rod 2 can be completed, because spacing slider 4 and spacing spout 5 mutually support, can avoid dead lever 2 to remove when removing the rotation of reaction to can avoid pinch roller 14 to deflect, the effectual easy problem of damaging of pinch roller 14 deflection of having avoided.

The fixing mechanism comprises two external threaded pipes 15 fixedly connected to the left side wall and the right side wall of the pinch roller shaft frame 1, two first pin holes 16 are symmetrically formed in the outer walls of the two external threaded pipes 15, two second pin holes 17 corresponding to the first pin holes 16 are symmetrically formed in the shaft wall of the pinch roller shaft 13, the same pin rod 18 is movably inserted into the two first pin holes 16, the pin rod 18 penetrates through the pinch roller shaft 13 through the second pin holes 17, an internal threaded cylinder 19 is sleeved on the outer threads of the two external threaded pipes 15, when the fixing mechanism is used, the pinch roller shaft 13 is inserted into the fixing hole 12, the second pin holes 17 are aligned with the first pin holes 16, the pin rod 18 is inserted into the first pin holes 16 and the second pin holes 17, the internal threaded cylinder 19 is screwed outside the external threaded pipes 15, the internal threaded cylinder 19 can limit the pin rod 18, the pin rod 18 is prevented from being separated from the first pin holes 16 and the second pin holes 17, the pin rod 18 can limit and fix the pinch roller shaft 13, the offset of the pinch roller shaft 14 is avoided, the problem that the pinch roller 14 cannot be normally used due to the offset of the pinch roller shaft 13 is avoided, and the stability of the pinch roller 14 is effectively improved.

The shaft wall of pinch roller axle 13 is provided with the screw thread, and the shaft wall screw thread cover of pinch roller axle 13 is equipped with four stop nut 20, and pinch roller 14 is located between two adjacent stop nut 20, and stop nut 20 can carry on spacingly to pinch roller 14, has improved pinch roller 14's stability.

Lateral wall fixedly connected with screw thread post 21 of mounting panel 9 downside, the inner wall that sleeve 3 is close to the upper end is provided with the screw thread, and screw thread post 21 screw thread cup joints in sleeve 3, is convenient for install mounting panel 9, has improved the convenience of device equipment.

The outer wall fixedly connected with L type locating piece 22 that sleeve 3 is close to the upper end, the lateral wall fixedly connected with triangle locating piece 23 of mounting panel 9 downside, L type locating piece 22 aligns with triangle locating piece 23, mutually supports through L type locating piece 22 and triangle locating piece 23, can fix a position mounting panel 9, and skew when avoiding the mounting panel 9 installation.

Lateral wall fixedly connected with backing plate 24 of mounting panel 9 upside, backing plate 24's material is rubber, and two through-holes have been seted up to the lateral wall symmetry of backing plate 24 upside, and cotter 11 runs through backing plate 24 through the through-hole, and backing plate 24 can improve the fixed steadiness of mounting panel 9.

Two limiting plates 25 of the axial wall symmetry fixedly connected with of pinch roller axle 13, two limiting plates 25 all are located fixed orifices 12, and two spacing grooves 26 have been seted up to the pore wall symmetry of fixed orifices 12, and one side of limiting plate 25 is located spacing groove 26, mutually supports through limiting plate 25 and spacing groove 26, can improve pinch roller axle 13's stability.

The outer wall of the internal thread cylinder 19 is symmetrically and fixedly connected with two push rods 27 used for rotating the internal thread cylinder 19, so that the internal thread cylinder 19 can be conveniently rotated, and the use convenience is improved.

The rod wall of the locking screw 7 outside the sleeve 3 is symmetrically and fixedly connected with two screwing rods 28, and the locking screw 7 can be rotated by screwing the screwing rods 28, so that the use convenience of the locking screw 7 is improved.

In the utility model, when adjusting the relative length between the fixed rod 2 and the sleeve 3, rotate two locking screw rods 7, through the screw-thread fit between locking screw rod and the screw, make locking screw rod 7 withdraw from the locking groove 8, relieve the spacing of locking screw rod 7 to the fixed rod 2 and fix, stimulate the fixed rod 2, make the fixed rod 2 slide in the sleeve 3, thereby change the relative length of fixed rod 2 and sleeve 3, twist locking screw rod 7 into the corresponding locking groove 8 again and can accomplish the lock to the fixed rod 2, because spacing slider 4 and spacing spout 5 are mutually supported, can avoid dead rotation when the fixed rod 2 moves, thereby can avoid the pinch roller 14 to deflect, the problem of easy damage of pinch roller 14 deflection has been effectively avoided; during the use, with pinch roller axle 13 insert fixed orifices 12, make second pinhole 17 aim at first pinhole 16, insert pin 18 in first pinhole 16 and the second pinhole 17, twist external screw tube 15 with an internal thread section of thick bamboo 19 outside, internal thread section of thick bamboo 19 can be spacing to pin 18, avoid pin 18 to break away from first pinhole 16 and second pinhole 17, pin 18 can carry out spacing fixed to pinch roller axle 13, avoid pinch roller axle 14 skew, avoided pinch roller axle 13 skew to lead to the unable normal use problem of pinch roller 14, the effectual stability that improves pinch roller 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The belt pinch roller device of the arc-shaped automatic door unit comprises a pinch roller shaft bracket (1) and is characterized in that a fixed welding rod (2) is welded on the side wall of the upper side of the pinch roller shaft bracket (1), a sleeve (3) is movably sleeved outside the fixed rod (2), the lower end of the sleeve (3) is symmetrically connected with two limiting slide blocks (4), the two limiting slide blocks (4) are fixedly connected with the lower end of the sleeve (3) through screws (5), two limiting slide grooves (6) matched with the limiting slide blocks (4) are symmetrically formed in the rod wall of the fixed rod (2), the two limiting slide blocks (4) are respectively clamped into the two limiting slide grooves (6), two screw holes are symmetrically formed in the outer wall of the sleeve (3), locking screw rods (7) are sleeved in the two screw holes through equal threads, and the screw holes of the locking screw rods (7) extend out of the two ends of the locking screw rods (7), the utility model discloses a fixed pole (2) of dead lever, including dead lever, mounting panel (1), mounting panel (10), mounting panel (3), the lateral wall symmetry of mounting panel (9) upside has been seted up, two the one end of locking screw rod (7) is located locking groove (8), fixed orifices (12) have been seted up to the upper end of sleeve (3), be connected with pinch roller axle (13) through fixed establishment in fixed orifices (12), the axostylus axostyle wall of pinch roller axle (13) is rotated through the bearing symmetry and is connected with two pinch rollers (14), pinch roller axostylus axostyle (1) is located between two pinch rollers (14).

2. The belt pulley device of the arc-shaped automatic door unit as claimed in claim 1, wherein the fixing mechanism comprises two external threaded pipes (15) fixedly connected to the left and right side walls of the pressure wheel shaft frame (1), two first pin holes (16) are symmetrically formed in the outer walls of the two external threaded pipes (15), two second pin holes (17) corresponding to the first pin holes (16) are symmetrically formed in the shaft wall of the pressure wheel shaft (13), the same pin rod (18) is movably inserted in the two first pin holes (16), the pin rod (18) penetrates through the pressure wheel shaft (13) through the second pin holes (17), and an internal threaded cylinder (19) is sleeved on the external threads of the two external threaded pipes (15).

3. The belt press roller device of the arc-shaped automatic door unit as claimed in claim 1, wherein the shaft wall of the press roller shaft (13) is provided with threads, the shaft wall of the press roller shaft (13) is sleeved with four limit nuts (20), and the press roller (14) is positioned between two adjacent limit nuts (20).

4. The belt pulley device of the arc-shaped automatic door unit according to claim 1, wherein a threaded column (21) is fixedly connected to the side wall of the lower side of the mounting plate (9), a thread is arranged on the inner wall of the sleeve (3) close to the upper end, and the threaded column (21) is sleeved in the sleeve (3) in a threaded manner.

5. The belt pulley device of the arc-shaped automatic door unit according to claim 1, wherein an L-shaped positioning block (22) is fixedly connected to the outer wall of the sleeve (3) close to the upper end, a triangular positioning block (23) is fixedly connected to the side wall of the lower side of the mounting plate (9), and the L-shaped positioning block (22) is aligned with the triangular positioning block (23).

6. The belt pulley device of the arc-shaped automatic door unit according to claim 1, wherein a backing plate (24) is fixedly connected to the side wall of the upper side of the mounting plate (9), the backing plate (24) is made of rubber, two through holes are symmetrically formed in the side wall of the upper side of the backing plate (24), and the pin bolt (11) penetrates through the backing plate (24) through the through holes.

7. The belt pulley device of the arc-shaped automatic door unit according to claim 1, wherein two limiting plates (25) are symmetrically and fixedly connected to the shaft wall of the pinch roller shaft (13), the two limiting plates (25) are both located in the fixing hole (12), two limiting grooves (26) are symmetrically formed in the hole wall of the fixing hole (12), and one side of each limiting plate (25) is located in each limiting groove (26).

8. The belt pulley device of the arc-shaped automatic door unit as claimed in claim 2, wherein two push rods (27) for rotating the internal thread cylinder (19) are symmetrically and fixedly connected to the outer wall of the internal thread cylinder (19).

9. The belt pulley device of the arc-shaped automatic door unit according to claim 1, wherein two screw rods (28) are symmetrically and fixedly connected to the rod wall of the locking screw rod (7) positioned outside the sleeve (3).