CN213236000U

CN213236000U - Split assembled synchronous belt pulley

Info

Publication number: CN213236000U
Application number: CN202022232145.8U
Authority: CN
Inventors: 孙诗毛
Original assignee: Shenzhen Sun Technology Co ltd
Current assignee: Shenzhen Sun Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-18
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to a synchronous pulley technical field discloses a synchronous pulley of split type equipment, which comprises a main shaft, synchronous pulley, the baffle, a bearing, bush and spacing piece, synchronous pulley is rotatable to be set up in the one end of main shaft, synchronous pulley's the concave mounting hole that is equipped with of lateral wall, the lateral wall of baffle is concave respectively and is equipped with a first through-hole, the baffle is detachable respectively and sets up on synchronous pulley's both ends lateral wall, bearing and bush detachable respectively set up in the one end of main shaft, the periphery wall of bearing and the internal perisporium butt of mounting hole, the lateral wall of bearing is equallyd divide do not with the inside wall butt of baffle, spacing piece sets up on the end wall of main shaft, the inside wall of spacing piece. The technical scheme of the utility model can make the equipment between baffle and synchronous pulley and the main shaft convenient and fast more, and the assembly is firm reliable, has effectively guaranteed synchronous pulley's transmission precision, and later maintenance is convenient, and the practicality is strong.

Description

Split assembled synchronous belt pulley

Technical Field

The utility model relates to a synchronous pulley technical field, in particular to synchronous pulley of split type equipment.

Background

The synchronous belt wheel transmission is composed of a closed annular rubber belt with equidistant teeth on the inner peripheral surface and a corresponding belt wheel, and the synchronous belt wheel is generally made of steel, aluminum alloy, cast iron, brass and other materials, and the inner hole of the synchronous belt wheel is provided with a circular hole, a D-shaped hole, a conical hole and other forms.

However, the baffle of present synchronous pulley and synchronous pulley adopt integral equipment mostly, can not dismantle the change fast, have the inconvenient problem of later maintenance, need further improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a synchronous pulley of split type equipment, adopt integral equipment, the inconvenient technical problem of later maintenance between baffle and the synchronous pulley of aiming at solving current synchronous pulley.

In order to achieve the purpose, the separately assembled synchronous pulley provided by the utility model comprises a main shaft, a synchronous pulley, a baffle, a bearing, a bushing and a limiting piece, wherein the baffle and the limiting piece are both arranged in a disc-shaped structure, the synchronous pulley is rotatably arranged at one end of the main shaft, a through mounting hole is concavely arranged in the middle of the side wall of the synchronous pulley, the side wall of the baffle is concavely provided with a first through hole respectively, the baffle is detachably arranged on the side walls at two ends of the synchronous pulley respectively, one end of the main shaft is arranged through the first through hole and the mounting hole, the bearing is provided with two bearings, the bearing and the bushing are detachably arranged at one end of the main shaft respectively, the bushing is arranged between the two bearings, a limiting step is convexly arranged on the peripheral wall at one end of the main shaft, the inner side wall of the bearing is abutted against the outer side wall of the limiting step, just the external diameter size of baffle all is greater than synchronous pulley's external diameter sets up, the internal diameter size of first through-hole all is greater than the external diameter of bearing sets up, the periphery wall of bearing equally divide do not with the internal perisporium butt setting of mounting hole, the lateral wall of bearing equally divide do not with the inside wall butt setting of baffle, spacing piece detachable set up in on the end wall of main shaft, spacing piece inlays to be located set up in the first through-hole, just the inside wall of spacing piece with the lateral wall butt setting of bearing, synchronous pulley's periphery wall is equipped with a plurality of tooth's socket that the head and the tail connected gradually along the even concave of circumferencial direction.

Further, the novel synchronous pulley structure comprises a bolt and a nut, wherein a plurality of one-to-one corresponding second through holes and third through holes are respectively and concavely formed in the end walls of the baffle and the synchronous pulley along the circumferential direction, the bolt is respectively arranged in the second through holes and the third through holes in a penetrating mode in sequence, external threads are arranged on the outer peripheral wall of the outer end portion of the bolt, the nut is respectively screwed on the outer end portion of the bolt, and the inner end wall and the nut of the bolt are respectively and evenly abutted to the side walls of the baffle.

Further, still include fastening screw, the end wall of main shaft is concave to be equipped with a screw hole that extends along length direction, the end wall of spacing piece is concave to be equipped with a fourth through-hole, fastening screw wear to locate the fourth through-hole to revolve in set up in the screw hole, just fastening screw's upper end with spacing piece butt sets up.

Furthermore, the tooth grooves are all arranged in an arc-shaped structure.

Further, the synchronous pulley is made of 7075 aluminum alloy.

Further, the bearings are all double deep groove ball bearings.

Furthermore, the thickness of synchronous pulley is 50mm all.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, through the appearance of baffle and spacing piece all being disc structure setting, synchronous pulley rotatable sets up in the one end of main shaft, the middle concave mounting hole that runs through of synchronous pulley's lateral wall, the lateral wall of baffle is concave respectively and is equipped with first through-hole, baffle detachable respectively sets up on synchronous pulley's both ends lateral wall, the one end of main shaft all wears to locate first through-hole and mounting hole setting, the bearing is provided with two, bearing and bush detachable respectively set up in the one end of main shaft, and the bush sets up between two bearings, the periphery wall of the one end of main shaft is protruding to be equipped with a spacing step, the inside wall of bearing and the lateral wall butt setting of spacing step, and the outside diameter size of baffle all is greater than synchronous pulley's outside diameter setting, the inside diameter size of first through-hole all is greater than the outside diameter setting of bearing, the periphery wall of bearing equally divide and do, the lateral wall of bearing is equallyd divide do not to set up with the inside wall butt of baffle, spacing piece detachable sets up on the end wall of main shaft, spacing piece inlays to be located and sets up in the first through-hole, and the inside wall of spacing piece sets up with the lateral wall butt of bearing, synchronous pulley's periphery wall is equipped with the tooth's socket that a plurality of heads and tails connected gradually along the even concave of circumferencial direction, thereby make the equipment between baffle and the synchronous pulley and between synchronous pulley and the main shaft convenient and fast more, the efficiency is improved, and easy operation, it is convenient to dismantle, the later maintenance of being convenient for, long service life, and effectively avoid synchronous pulley to take place the displacement drunkenness, synchronous pulley's transmission precision has been guaranteed, therefore.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a separately assembled synchronous pulley according to an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of another view angle of a separately assembled synchronous pulley according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a separately assembled synchronous pulley according to an embodiment of the present invention;

fig. 4 is another exploded schematic view of a separately assembled synchronous pulley according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. 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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a synchronous pulley of split type equipment.

As shown in fig. 1 to 4, in an embodiment of the present invention, the separately assembled synchronous pulley includes a main shaft 101, a synchronous pulley 102, a baffle 103, a bearing 104, a bushing 105 and a position-limiting plate 106, wherein the baffle 103 and the position-limiting plate 106 are both configured in a disc shape, the synchronous pulley 102 is rotatably disposed at one end of the main shaft 101, a through-hole 1021 is concavely disposed in the middle of the sidewall of the synchronous pulley 102, a first through-hole 1031 is concavely disposed in the sidewall of the baffle 103, the baffle 103 is detachably disposed on the sidewalls of the two ends of the synchronous pulley 102, one end of the main shaft 101 is disposed through the first through-hole 1031 and the through-hole 1021, two bearings 104 are disposed, the bearing 104 and the bushing 105 are detachably disposed at one end of the main shaft 101, and the bushing 105 is disposed between the two bearings 104, the outer peripheral wall of one end of the main shaft 101 is convexly provided with a limit step 1011, the inner side wall of the bearing 104 is abutted against the outer side wall of the limit step 1011, the outer diameter of the baffle plate 103 is larger than the outer diameter of the synchronous pulley 102, the inner diameter of the first through hole 1031 is larger than the outer diameter of the bearing 104, the outer peripheral wall of the bearing 104 is equally divided into two parts which are respectively abutted against the inner peripheral wall of the mounting hole 1021, the outer side wall of the bearing 104 is equally divided into two parts which are respectively abutted against the inner side wall of the baffle plate 103, the synchronous pulley 102 is rotatably connected with one end of the main shaft 101 through the bearing 104, the limit piece 106 is detachably arranged on the end wall of the main shaft 101, the limit piece 106 is embedded in the first through hole 1031, and the inner side wall of the limit piece 106 is abutted against the outer side wall of the bearing 104, the outer peripheral wall of the synchronous pulley 102 is uniformly recessed along the circumferential direction with a plurality of tooth grooves 1022 connected end to end in sequence.

Specifically, still include bolt 107 and nut 108, the end wall of baffle 103 and synchronous pulley 102 is equipped with a plurality of one-to-one's second through-hole 1032 and third through-hole 1023 along the circumferencial direction concave respectively, bolt 107 wears to locate respectively in second through-hole 1032 and the setting of third through-hole 1023, the periphery wall of the outer tip of bolt 107 all is equipped with the external screw thread, nut 108 revolve respectively in on the outer tip of bolt 107, just the interior end wall of bolt 107 and nut 108 divide equally do not with the lateral wall butt setting of baffle 103, can carry out quick installation and dismantlement to the baffle, the later maintenance of being convenient for.

Specifically, still include fastening screw 109, the end wall of main shaft 101 is equipped with one concavely along the screw hole 1012 of length direction extension, the end wall of spacing piece 106 is equipped with a concavely fourth through hole 1061, fastening screw 109 wears to locate fourth through hole 1061, and revolve in set up in the screw hole 1012, just fastening screw 109's upper end with spacing piece 106 butt sets up, plays limiting displacement to the bearing through spacing piece, avoids the bearing to take place the displacement not hard up, guarantees the transmission precision.

Specifically, the tooth sockets 1022 are all arranged in a circular arc structure.

Specifically, the synchronous pulley 102 is made of 7075 aluminum alloy, and 7075 aluminum alloy is high-strength heat-treatable alloy, is easy to machine, good in wear resistance, high in strength, strong in corrosion resistance, good in mechanical property, far superior to any mild steel, and effectively prolongs the service life of the synchronous pulley.

Specifically, the bearings 104 are all double deep groove ball bearings.

Specifically, the thickness of the synchronous pulley 102 is 50 mm.

Specifically, the utility model is provided with a baffle plate and a limiting sheet which are both in a disc-shaped structure, a synchronous pulley is rotatably arranged at one end of a main shaft, a through mounting hole is concavely arranged in the middle of the side wall of the synchronous pulley, first through holes are concavely arranged on the side wall of the baffle plate respectively, the baffle plate is detachably arranged on the side walls at two ends of the synchronous pulley respectively, one end of the main shaft is arranged on the first through holes and the mounting hole respectively, two bearings are arranged, a bearing and a bushing are detachably arranged at one end of the main shaft respectively, the bushing is arranged between the two bearings, a limiting step is convexly arranged on the outer peripheral wall at one end of the main shaft, the inner side wall of the bearing is abutted against the outer side wall of the limiting step, the outer diameter of the baffle plate is larger than that of the synchronous pulley, the inner diameter of the first through holes is larger than that of the bearing, the outer, the lateral wall of bearing is equallyd divide do not to set up with the inside wall butt of baffle, spacing piece detachable sets up on the end wall of main shaft, spacing piece inlays to be located and sets up in the first through-hole, and the inside wall of spacing piece sets up with the lateral wall butt of bearing, synchronous pulley's periphery wall is equipped with the tooth's socket that a plurality of heads and tails connected gradually along the even concave of circumferencial direction, thereby make the equipment between baffle and the synchronous pulley and between synchronous pulley and the main shaft convenient and fast more, the efficiency is improved, and easy operation, it is convenient to dismantle, the later maintenance of being convenient for, long service life, and effectively avoid synchronous pulley to take place the displacement drunkenness, synchronous pulley's transmission precision has been guaranteed, therefore.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A synchronous pulley assembled in a split mode is characterized by comprising a main shaft, a synchronous pulley, a baffle, bearings, a bushing and a limiting piece, wherein the baffle and the limiting piece are arranged in a disc-shaped structure, the synchronous pulley is rotatably arranged at one end of the main shaft, a penetrating mounting hole is concavely arranged in the middle of the side wall of the synchronous pulley, a first through hole is concavely arranged on the side wall of the baffle respectively, the baffle is detachably arranged on the side walls at two ends of the synchronous pulley respectively, one end of the main shaft is arranged on the first through hole in a penetrating mode and the mounting hole in a penetrating mode, the bearings are arranged in two numbers, the bearings and the bushing are detachably arranged at one end of the main shaft respectively, the bushing is arranged between the two bearings, a limiting step is convexly arranged at one end of the main shaft, and the inner side wall of the bearing is abutted to the outer side wall of the limiting step, just the external diameter size of baffle all is greater than synchronous pulley's external diameter sets up, the internal diameter size of first through-hole all is greater than the external diameter of bearing sets up, the periphery wall of bearing equally divide do not with the internal perisporium butt setting of mounting hole, the lateral wall of bearing equally divide do not with the inside wall butt setting of baffle, spacing piece detachable set up in on the end wall of main shaft, spacing piece inlays to be located set up in the first through-hole, just the inside wall of spacing piece with the lateral wall butt setting of bearing, synchronous pulley's periphery wall is equipped with a plurality of tooth's socket that the head and the tail connected gradually along the even concave of circumferencial direction.

2. The split-type assembled synchronous pulley according to claim 1, further comprising a bolt and a nut, wherein the end walls of the baffle plate and the synchronous pulley are respectively provided with a plurality of one-to-one corresponding second through holes and third through holes in a concave manner along the circumferential direction, the bolt is respectively arranged in the second through holes and the third through holes in a penetrating manner, the outer peripheral wall of the outer end portion of the bolt is provided with an external thread, the nut is respectively screwed on the outer end portion of the bolt, and the inner end wall of the bolt and the nut are respectively abutted against the side wall of the baffle plate.

3. The split-type assembled synchronous pulley according to claim 1, further comprising a fastening screw, wherein a screw hole extending in the length direction is concavely formed in the end wall of the main shaft, a fourth through hole is concavely formed in the end wall of the limiting piece, the fastening screw penetrates through the fourth through hole and is screwed into the screw hole, and the upper end portion of the fastening screw is abutted against the limiting piece.

4. The split-type assembled synchronous pulley according to claim 1, wherein the tooth grooves are all arranged in a circular arc structure.

5. The split assembled synchronous pulley according to claim 1, wherein the synchronous pulley is formed from 7075 aluminum alloy.

6. The split assembled synchronous pulley according to claim 1, wherein the bearings are both double deep groove ball bearings.

7. The split assembled synchronous pulley according to claim 1, wherein the synchronous pulley has a thickness of 50 mm.