CN211058551U

CN211058551U - Heavy pulley

Info

Publication number: CN211058551U
Application number: CN201921495884.7U
Authority: CN
Inventors: 麦兆聪
Original assignee: Foshan Nanhai Yimai Hardware Product Co ltd
Current assignee: Foshan Nanhai Yimai Hardware Product Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-21
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a heavy pulley, it includes basket shell, sliding block set spare and at least one wheel components, the lateral wall of the both sides in holding the chamber, the lateral wall at the both ends in holding the chamber, fixed slider, the both ends of adjust the slider all are provided with the connection spout, wheel components is including the wheel slider that articulates there is the gyro wheel, the both ends of wheel slider are provided with the connection slide rail, the contained angle of connection spout and horizontal plane, the contained angle of connection slide rail and horizontal plane are angle of inclination α, angle of inclination α is greater than zero and is less than ninety degrees, connect the slide rail and imbed the connection spout respectively, the gyro wheel exposes from holding the chamber the utility model discloses can conveniently adjust the height of gyro wheel, the degree of freedom of product is higher, is favorable to reduce cost, when adjusting the gyro wheel height simultaneously, also only needs to rotate an adjusting bolt, and is more convenient, can make the connection slide rail closely laminate with the connection spout, does not.

Description

Heavy pulley

Technical Field

The utility model relates to a heavy pulley.

Background

In the translation door and window that traditional weight is heavier, for example (300 kg) translation door and window about glass thickness 10cm, its whole weight is heavier, leads to the pulley to warp the bearing capacity not enough, beat, slide unsmooth, needs the height of each pulley of door and window bottom of adjusting one by one, and is more troublesome to if the height of each pulley of door and window bottom is different, lead to translation door and window whole easily to be crooked, make the top of translation door and window and the inner wall contact of spout, slide unsmooth.

Disclosure of Invention

In order to solve the problem, the utility model aims to provide a heavy pulley prevents that the pulley from beating, can also conveniently adjust the height and the heavy gravity of gyro wheel. The utility model discloses an inner shell of heavy pulley adopts triangle-shaped theory design, makes the bearing capacity ability better.

The technical scheme includes that the heavy pulley comprises a basket shell, a sliding block assembly and at least one roller assembly, the basket shell is provided with a containing cavity communicated with the outside, side walls on two sides of the containing cavity, side walls at two ends of the containing cavity and a bottom wall of the containing cavity are respectively a basket side wall, a basket end wall and a basket bottom wall, the sliding block assembly comprises a fixed sliding block and an adjusting sliding block, the fixed sliding block and the adjusting sliding block are arranged in the containing cavity, the fixed sliding block is fixedly connected with the basket shell, the adjusting sliding block can be connected with the basket shell in a translation mode, an adjusting device is arranged on one basket end wall of the basket shell, the output end of the adjusting device is connected with the adjusting sliding block, connecting sliding grooves are arranged at two ends of the fixed sliding block and the adjusting sliding block respectively, the roller assembly comprises roller sliding blocks hinged with rollers, connecting sliding rails are arranged at two ends of the roller sliding blocks, an included angle formed by the connecting sliding grooves and a horizontal plane is an included angle α, an included angle formed by the connecting.

Further, the angle of inclination α is thirty to sixty degrees.

Further, the angle of inclination α is forty-five degrees.

Furthermore, a fixing pin is fixedly arranged on the fixing slide block, and fixing holes are formed in the side wall of the basket; the both ends embedding fixed orifices of fixed pin.

The assembly of the heavy pulley is convenient.

Furthermore, the side surface of the adjusting slide block and the bottom end surface of the adjusting slide block are respectively attached to the side wall and the bottom wall of the basket.

The assembly of the heavy pulley is convenient.

Further, adjusting device includes adjusting bolt, bolt fastening piece and coupling nut, and coupling nut fixes on adjusting block, and adjusting bolt is provided with bolt fastening section and light tooth section, and the hinge interface has been seted up to the bolt fastening piece, and the installing port has been seted up to the basket end wall, and light tooth section embedding installing port, bolt fastening section embedding hinge interface, adjusting bolt and coupling nut threaded connection, the bolt fastening piece is located and holds the intracavity and laminate with the basket end wall.

The adjusting device can drive the adjusting slide block to move only by rotating the adjusting bolt, and the operation is more convenient.

Furthermore, the adjusting slide block is provided with a connecting nut hole, the connecting nut is embedded into the connecting nut hole, the bolt fixing piece is further provided with an installation opening communicated with the hinge opening, the other end of the installation opening is communicated with the outside, the section of the installation opening is trapezoidal, and the length of the side of the trapezoid of one end of the installation opening communicated with the hinge opening is five to one millimeter smaller than the inner diameter of the hinge opening.

The assembly of the heavy pulley is convenient.

Further, the sliding block assembly further comprises at least one connecting sliding block, the roller assemblies are more than two, connecting sliding grooves are formed in the two ends of the connecting sliding block, and the connecting sliding grooves in the two ends of the connecting sliding block are embedded into connecting sliding rails of the two adjacent roller sliding blocks respectively.

The degree of freedom of the product is higher, is favorable to reduce cost, and when adjusting the gyro wheel height simultaneously, also only need rotate an adjusting bolt, it is more convenient.

Furthermore, the connecting slide rail is made of steel sheets in a winding mode, and the connecting slide rail is provided with an elastic notch.

The connecting sliding rail and the connecting sliding groove can be tightly attached without a gap, and the noise generated by the collision of the connecting sliding rail and the connecting sliding groove when the door and window moves is avoided or reduced.

Furthermore, the fixed sliding block also comprises a fixed reinforcing pin with a rectangular section; the side wall of the basket is provided with a fixed reinforcing hole with a rectangular section; the fixed reinforcing pin is embedded into the fixed reinforcing hole and abuts against the fixed sliding block; the adjusting slide block is fixedly provided with an adjusting pin; the basket side wall is provided with an adjusting long hole along the direction in which the adjusting slide block can move in a translation manner, and two ends of the adjusting pin are respectively embedded into the adjusting long holes; the connecting slide block is fixedly provided with a connecting pin; the side wall of the basket is provided with a connecting long hole along the direction in which the adjusting slide block can move in a translation way; the two ends of the connecting pin are respectively embedded into the connecting long holes.

The bearing capacity of the heavy pulley can be improved.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the height of the roller can be conveniently adjusted;

2) the degree of freedom of the product is high, which is beneficial to reducing the cost, and meanwhile, when the height of the roller is adjusted, only one adjusting bolt needs to be rotated, which is convenient;

3) the connecting sliding rail and the connecting sliding groove can be tightly attached without a gap, and the noise generated by the collision of the connecting sliding rail and the connecting sliding groove when the door and window moves is avoided or reduced;

4) the bearing capacity of the heavy pulley can be improved.

Drawings

Fig. 1 is a schematic top view of a basket enclosure 1.

Fig. 2 is a side view of the basket enclosure 1 in a half-sectional view.

Fig. 3 is a front view schematically showing the bolt-securing plate 122.

Fig. 4 is a side view of the adjusting bolt 121.

Fig. 5 is a front view of the coupling nut 123.

FIG. 6 is an exploded side view of the slider assembly 2.

Fig. 7 is a schematic view of the section i-i of fig. 6.

Fig. 8 is a schematic view of the section ii-ii of fig. 6.

Figure 9 is a side view semi-sectional schematic of the heavy duty sheave of the present invention. In fig. 9, neither the slider assembly 2 nor the adjusting bolt 121 is broken.

Fig. 10 is a schematic view of the iii-iii section of fig. 9.

The basket housing 1, the accommodating cavity 11, the basket side wall 111, the basket end wall 112, the basket bottom wall 119, the adjusting device 12, the adjusting bolt 121, the bolt fixing piece 122, the connecting nut 123, the bolt fixing section 124, the hinge joint 125, the mounting opening 126, the relief hole 127, the connecting nut hole 128, the smooth tooth section 129, the mounting hole 19, the slider assembly 2, the fixing slider 21, the fixing hole 211, the fixing pin 212, the fixing reinforcing hole 213, the fixing reinforcing pin 214, the adjusting slider 22, the adjusting long hole 221, the adjusting pin 222, the connecting slider 23, the connecting long hole 231, the connecting pin 232, the connecting sliding groove 24, the roller assembly 3, the roller slider 31, the connecting sliding rail 311, the elastic notch 312, the roller 39, the roller pin 391 and the inclination angle α.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings of the present invention.

The utility model discloses a heavy pulley, it includes basket shell 1, sliding block set spare 2 and at least one wheel components 3.

Basket shell 1 is provided with the chamber 11 that holds with external UNICOM, and the lateral wall of the both sides of holding chamber 11, the lateral wall at the both ends of holding chamber 11, the diapire of holding chamber 11 are basket lateral wall 111, basket end wall 112, basket bottom wall 119 respectively.

The slide block assembly 2 comprises a fixed slide block 21 and an adjusting slide block 22; the fixed slide block 21 and the adjusting slide block 22 are both arranged in the accommodating cavity 11.

The fixed slider 21 is fixedly connected to the basket housing 1. For example, the fixed slider 21 is fixedly provided with a fixed pin 212, and the basket side wall 111 is provided with a fixed hole 211; both ends of the fixing pin 212 are fitted into the fixing holes 211, thereby fixedly coupling the fixing slider 21 to the basket housing 1. The fixed sliding block 21 and the basket shell 1 can be fixedly connected without welding and other processes, and the assembly of the heavy pulley is convenient.

Further, the fixed slider 21 further includes a fixed reinforcing pin 214 having a rectangular cross section; the basket side wall 111 is provided with a fixing reinforcing hole 213 with a rectangular section; the fixing reinforcing pin 214 is fitted into the fixing reinforcing hole 213 and abuts against the fixing slider 21. The fixing strength of the fixing slider 21 can be improved, thereby improving the load-bearing capacity of the heavy-duty pulley.

The adjusting slide 22 is connected to the basket housing 1 in a translatory manner. For example, the side surfaces of the adjustment slider 22 and the bottom end surface of the adjustment slider 22 are respectively bonded to the basket side wall 111 and the basket bottom wall 119, so that the adjustment slider 22 is connected to the basket housing 1 so as to be translatable. The adjusting slide 22 can be connected with the basket shell 1 in a translational way only by placing the adjusting slide 22 into the accommodating cavity 11, so that the assembly of the heavy pulley is convenient.

Further, the adjusting slider 22 is fixedly provided with an adjusting pin 222; the basket side wall 111 is provided with an adjustment long hole 221 in a direction in which the adjustment slider 22 can translate, and both ends of the adjustment pin 222 are respectively fitted into the adjustment long holes 221. The bearing capacity of the heavy pulley can be improved.

One basket end wall 112 of the basket housing 1 is provided with an adjusting device 12, the output end of the adjusting device 12 being connected to the adjusting slide 22. The adjusting device 12 is a linear power device, such as a cylinder or the like.

Preferably, the adjusting device 12 includes an adjusting bolt 121, a bolt fixing piece 122 and a connecting nut 123, the connecting nut 123 is fixed on the adjusting slider 22, the adjusting bolt 121 is provided with a bolt fixing section 124 and a smooth thread section 129, the bolt fixing piece 122 is provided with a hinge interface 125, the basket end wall 112 is provided with a mounting port 126, the smooth thread section 129 is embedded in the mounting port 126, the bolt fixing section 124 is embedded in the hinge interface 125, the adjusting bolt 121 is in threaded connection with the connecting nut 123, and the bolt fixing piece 122 is located in the accommodating cavity 11 and is attached to the basket end wall 112. Other power sources, such as compressed air and the like, are not needed, and the adjusting device 12 can drive the adjusting slider 22 to move only by rotating the adjusting bolt 121, which is convenient.

Furthermore, the adjusting slider 22 is provided with a connecting nut hole 128, the connecting nut 123 is embedded into the connecting nut hole 128, the bolt fixing piece 122 is further provided with an installation opening 126 communicated with the hinge opening 125, the other end of the installation opening 126 is communicated with the outside, the section of the installation opening 126 is trapezoidal, and the side length of the trapezoid at one end of the installation opening 126 communicated with the hinge opening 125 is five to one millimeter smaller than the inner diameter of the hinge opening 125. During assembly, the connecting nut 123 is only required to be inserted into the connecting nut hole 128, the adjusting bolt 121 passes through the abdicating hole 127 to be in threaded connection with the connecting nut 123, at this time, the position of the adjusting bolt 121 is fixed, the bolt fixing piece 122 can be conveniently moved towards the adjusting bolt 121, so that the bolt fixing section 124 is inserted into the hinge port 125 along the mounting port 126, and the assembly of the heavy pulley is facilitated.

The two ends of the fixed slide block 21 and the adjusting slide block 22 are both provided with connecting sliding chutes 24.

The roller assembly 3 comprises a roller slider 31 hinged with a roller 39; the roller slider 31 is provided at both ends thereof with connecting slide rails 311.

The included angle between the connecting sliding groove 24 and the horizontal plane and the included angle between the connecting sliding rail 311 and the horizontal plane are both the inclined angle α, and the inclined angle α is greater than zero and less than ninety degrees.

Preferably, the angle of inclination α is thirty to sixty degrees.

Preferably, the angle of inclination α is forty-five degrees.

The connecting slide rails 311 are respectively inserted into the connecting slide grooves 24.

The roller 39 is exposed from the accommodating chamber 11.

The utility model discloses a working principle of heavy pulley does: the basket shell 1 is fixedly arranged at the bottom of a door window (not shown in the attached drawing), so that the roller 39 is placed on the sliding rail (not shown in the attached drawing), and the door window (not shown in the attached drawing) can be pushed to move. Generally, the basket bottom wall 119 is opened with mounting holes 19, and the basket housing 1 can be fixedly mounted to the bottom of the door window by bolts or the like passing through the mounting holes 19.

When the height of the door and window (not shown in the attached drawings) needs to be finely adjusted, the adjusting bolt 121 is rotated to enable the adjusting slide block 22 to translate, the connecting slide groove 24 of the adjusting slide block 22 abuts against the connecting slide rail 311 to enable the roller slide block 31 and the roller 39 to move downwards, and therefore the height of the door and window (not shown in the attached drawings) can be adjusted to be high. On the contrary, when the height of the door and window (not shown in the attached drawings) needs to be reduced, the adjusting slide block 22 and the roller 39 move upwards by the weight of the door and window (not shown in the attached drawings) while the adjusting bolt 121 is rotated, so that the height of the door and window (not shown in the attached drawings) can be reduced. That is, the height of the roller 39 can be conveniently adjusted.

If the roller assemblies 3 are only one, more than two narrow basket slides need to be installed at the bottom of a door and window (not shown in the attached drawings) to keep the balance of the door and window (not shown in the attached drawings).

Further, the slide block assembly 2 further includes at least one connecting slide block 23, the roller assemblies 3 are more than two, the two ends of the connecting slide block 23 are both provided with connecting sliding grooves 24, and the connecting sliding grooves 24 at the two ends of the connecting slide block 23 are respectively embedded into the connecting sliding rails 311 of the two adjacent roller slide blocks 31. The fixed sliding block 21, the roller assembly 3, the connecting sliding block 23, the roller 39 and the adjusting sliding block 22 can be sequentially connected, wherein the number of the connecting sliding block 23 and the roller 39 can be increased according to the requirement, for example, when four rollers 39 are required, the number of the connecting sliding blocks 23 is 3. As can be seen from the above, the product has high degree of freedom, which is beneficial to reducing the cost. Meanwhile, when the height of the roller 39 is adjusted, only one adjusting bolt 121 needs to be rotated, which is convenient.

Further, the connecting slider 23 is fixedly provided with a connecting pin 232; the basket side wall 111 is provided with a connection long hole 231 along the direction in which the adjusting slider 22 can move in a horizontal direction; both ends of the connection pin 232 are fitted into the connection long holes 231, respectively. The bearing capacity of the heavy pulley can be improved.

Preferably, the connecting sliding rail 311 is made of a steel sheet by winding, and the connecting sliding rail 311 is provided with an elastic notch 312. The elastic notch 312 can make the connecting slide rail 311 slightly elastically deform, so that the connecting slide rail 311 is tightly attached to the connecting slide groove 24 without a gap, and noise generated by collision between the connecting slide rail 311 and the connecting slide groove 24 when the door or window moves is avoided or reduced.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.

Claims

1. The heavy pulley is characterized by comprising a basket shell (1), a sliding block assembly (2) and at least one roller assembly (3), wherein the basket shell (1) is provided with an accommodating cavity (11) communicated with the outside, the side walls on two sides of the accommodating cavity (11), the side walls on two ends of the accommodating cavity (11) and the bottom wall of the accommodating cavity (11) are respectively a basket side wall (111), a basket end wall (112) and a basket bottom wall (119), the sliding block assembly (2) comprises a fixed sliding block (21) and an adjusting sliding block (22), the fixed sliding block (21) and the adjusting sliding block (22) are arranged in the accommodating cavity (11), the fixed sliding block (21) is fixedly connected with the basket shell (1), the adjusting sliding block (22) is connected with the basket shell (1) in a translation mode, an adjusting device (12) is arranged on one basket end wall (112) of the basket shell (1), the output end of the adjusting device (12) is connected with the adjusting sliding block (22), connecting sliding blocks (21) and two ends of the adjusting sliding block (22) are respectively provided with connecting sliding chutes (24), the sliding block (3) comprises rollers (39), the roller assemblies (31) hinged to the sliding track, the sliding track (31) is connected with the sliding chute (311), the sliding track (311) and the sliding track (311) is connected with the sliding track (311) with the sliding chute (311) with the sliding track (.

2. The heavy duty sheave of claim 1, wherein the angle of inclination α is thirty to sixty degrees.

3. The heavy duty pulley as claimed in claim 2, wherein the inclination angle α is forty-five degrees.

4. The heavy pulley according to claim 1, wherein the fixed slider (21) is fixedly provided with a fixed pin (212), and the basket side wall (111) is provided with a fixed hole (211); both ends of the fixing pin (212) are fitted into the fixing holes (211).

5. The heavy-duty pulley according to claim 1, wherein the side surface of the adjusting slider (22) and the bottom end surface of the adjusting slider (22) are respectively attached to the basket side wall (111) and the basket bottom wall (119).

6. The heavy pulley according to claim 1, wherein the adjusting device (12) comprises an adjusting bolt (121), a bolt fixing piece (122) and a connecting nut (123), the connecting nut (123) is fixed on the adjusting slider (22), the adjusting bolt (121) is provided with a bolt fixing section (124) and a light tooth section (129), the bolt fixing piece (122) is provided with a hinge interface (125), the basket end wall (112) is provided with a mounting opening (126), the light tooth section (129) is embedded into the mounting opening (126), the bolt fixing section (124) is embedded into the hinge interface (125), the adjusting bolt (121) is in threaded connection with the connecting nut (123), and the bolt fixing piece (122) is located in the accommodating cavity (11) and attached to the basket end wall (112).

7. The heavy pulley according to claim 6, wherein the adjusting slider (22) is provided with a connecting nut hole (128), the connecting nut (123) is embedded into the connecting nut hole (128), the bolt fixing piece (122) is further provided with a mounting opening (126) communicated with the hinge port (125), the other end of the mounting opening (126) is communicated with the outside, the section of the mounting opening (126) is trapezoidal, and the side length of the trapezoid of one end of the mounting opening (126) communicated with the hinge port (125) is five to one millimeter smaller than the inner diameter of the hinge port (125).

8. The heavy pulley according to claim 1, wherein the sliding block assembly (2) further comprises at least one connecting sliding block (23), the number of the roller assemblies (3) is more than two, the two ends of the connecting sliding block (23) are respectively provided with a connecting sliding groove (24), and the connecting sliding grooves (24) at the two ends of the connecting sliding block (23) are respectively embedded into the connecting sliding rails (311) of the two adjacent roller sliding blocks (31).

9. A heavy pulley according to claim 1, characterized in that the connecting runner (311) is made of a wound sheet steel, the connecting runner (311) being provided with an elastic notch (312).

10. A heavy duty pulley according to any one of claims 1 to 9 wherein the fixed slider (21) further comprises a fixed reinforcing pin (214) having a rectangular cross section; the basket side wall (111) is provided with a fixing and reinforcing hole (213) with a rectangular section; the fixed reinforcing pin (214) is embedded into the fixed reinforcing hole (213) and abuts against the fixed slide block (21); the adjusting slide block (22) is fixedly provided with an adjusting pin (222); the basket side wall (111) is provided with an adjusting long hole (221) along the direction in which the adjusting slide block (22) can translate, and two ends of the adjusting pin (222) are respectively embedded into the adjusting long hole (221); the connecting slide block (23) is fixedly provided with a connecting pin (232); the basket side wall (111) is provided with a connecting long hole (231) along the direction in which the adjusting slide block (22) can move in a translation manner; both ends of the connecting pin (232) are respectively embedded into the connecting long holes (231).