CN218320123U - Vibration damper for elevator guide rail - Google Patents

Abstract

The utility model discloses a vibration damper for elevator guide rails, which comprises a shell, a vibration damping pad, a connecting piece and a locking piece, wherein the shell comprises a first shell and a second shell which are locked by the locking piece and tightly clamp and compress the vibration damping pad; the connecting piece is provided with a connecting part extending into the vibration damping pad, a through hole is formed in the connecting part, and the locking piece penetrates through the through hole; the inner wall of the through hole is spaced from the locking piece, and an elastic limiting structure used for limiting the displacement of the connecting part relative to the locking piece is formed on the vibration damping pad. Use the utility model discloses can restrict the relative retaining member of connecting portion and shift, prevent that the retaining member from taking place the rigidity contact with the fenestrate inner wall that sets up on connecting portion to guarantee the damping effect.

Description

Vibration damper for elevator guide rail

Technical Field

The utility model belongs to the elevator field especially relates to a damping device for elevator guide rail.

Background

Elevator cars generally run on elevator guide rails in a sliding manner by means of guide shoes mounted on both sides of the car, the elevator guide rails are mounted in an elevator shaft, most of the elevator guide rails are fixed by steel-type fixing plates mounted on a wall in the elevator shaft. When the elevator moves along the vertical direction, because the car rocks, will produce the vibration, vibration energy can pass through elevator guide rail, fixed plate transmission to the building wall on, can form low frequency vibration noise like this, influence the work and rest of resident family in the building. In order to solve the problem, in the related art, a vibration damping device is additionally arranged between an elevator guide rail and a wall, vibration energy is absorbed by an elastic body in the vibration damping device, a vibration damping pad made of elastic high polymer materials such as rubber or polyurethane is generally adopted as the elastic body for absorbing the vibration energy, but the vibration damping pad has good elastic deformation capacity and small rigidity, so that the vibration damping pad can generate very large deformation when absorbing the vibration energy, and the vibration damping effect of the vibration damping pad is poor under the condition. Therefore, in the related art, the locking piece is used for locking the shell, the damping pad is clamped through the shell, the rigidity of the damping pad is increased after the damping pad is clamped and compressed to a certain degree, and a good damping effect can be obtained. However, in the process of using the locking member, the vibration reduction pad and the connecting member need to penetrate through the shell, the vibration reduction pad and the connecting member, and the locking member and the connecting member are both rigid bodies, so that if rigid contact occurs between the locking member and the connecting member in the vibration process, strong impact between the locking member and the connecting member is caused, and vibration energy cannot be transmitted to the vibration reduction pad, so that the service life of the vibration reduction device is shortened, and the vibration reduction effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem in the correlation technique to a certain extent at least, for this reason, the utility model discloses a following technical scheme: a vibration damping device for an elevator guide rail comprises a shell, a vibration damping pad, a connecting piece and a locking piece, wherein the shell comprises a first shell and a second shell, and the first shell and the second shell are locked by the locking piece and clamp and compress the vibration damping pad; the connecting piece is provided with a connecting part extending into the vibration damping pad, a through hole is formed in the connecting part, and the locking piece penetrates through the through hole; the inner wall of the through hole is spaced from the locking piece, and an elastic limiting structure used for limiting the displacement of the connecting part relative to the locking piece is formed on the vibration damping pad.

The utility model discloses following beneficial effect has:

1. through the arrangement of the locking part, the first shell and the second shell are locked by the locking part, the vibration damping pads are clamped and compressed by the first shell and the second shell in a locking state, the rigidity of the vibration damping pads is increased through compression, and the vibration damping effect is enhanced;

2. providing a space between the retaining member and the inner wall of the aperture, thereby reducing contact between the retaining member and the inner wall of the aperture;

3. through forming elasticity limit structure on the damping pad, utilize elasticity limit structure restriction connecting portion to shift relative retaining member, just can prevent to take place rigid contact between fenestrate inner wall and the retaining member, like this when the vibration takes place, the vibration energy can be to the transmission of damping pad.

Preferably, the damping pad is provided with the through-hole that supplies the retaining member to pass, elasticity limit structure includes and is located by the damping pad the outside elasticity boss that forms of part of through-hole week, elasticity boss stretch into to in the interval. The elastic lug boss extending into the gap can play a limiting role between the locking piece and the inner wall of the through hole, and the locking piece and the inner wall of the through hole are prevented from being in rigid contact.

Preferably, the elastic boss is annular, and an outer diameter of the elastic boss is substantially the same as an inner diameter of the through hole. Therefore, the elastic lug boss can approximately fill the gap, and a limiting effect is better achieved.

Preferably, elasticity limit structure includes that the edge by the damping pad is perpendicular outwards the elasticity that the protrusion formed encloses the fender, elasticity enclose keep off with the side laminating of connecting portion. Enclose through elasticity and keep off the side laminating with connecting portion, elasticity is enclosed and is kept off and play limiting displacement to connecting portion, can restrict the relative retaining member of connecting portion and shift, and then prevents that fenestrate inner wall and retaining member from taking place the rigidity contact.

Preferably, the housing has a positioning portion for positioning the elastic enclosure. When the vibration is great, connecting portion are probably influenced by the vibration and shift, though elasticity encloses to keep off and has limiting displacement to connecting portion, nevertheless enclose because elasticity and keep off and have the elastic deformation ability, probably by the excessive extrusion skew of connecting portion, and lose limiting displacement, through setting up location portion, can enclose to elasticity and keep off and play the positioning action, guarantee that it has limiting displacement to connecting portion.

Preferably, the elastic limiting structure further comprises a protrusion and a groove which are matched with each other, the protrusion is formed on one of the damping pad and the connecting part, and the groove is formed on the other of the damping pad and the connecting part. Through mutually supporting arch and recess, the damping pad can play limiting displacement to connecting portion, can restrict the relative retaining member of connecting portion and shift, and then prevents that fenestrate inner wall and retaining member from taking place the rigidity contact.

Preferably, the damping pad comprises a first damping pad and a second damping pad, the connecting part is clamped between the first damping pad and the second damping pad, and the elastic limiting structure is arranged on the first damping pad and/or the second damping pad.

Preferably, the locking member comprises a bolt and a nut which are fitted to each other, wherein the bolt passes through the through hole.

Preferably, the vibration damping device is fixedly connected to the elevator guide rail or the installation station through the matching of the bolt and the nut. The bolt can not only play a role in locking the shell and realize clamping and compression of the damping pad, but also play a role in assembly and connection on the installation site of the damping device, and does not need to additionally use installation accessories.

Preferably, the damping pad is provided with a through hole for the locking member to pass through, a sleeve is inserted into the through hole, the locking member passes through the sleeve, and the gap is formed between the sleeve and the inner wall of the through hole; the sleeve is configured such that both ends thereof can abut against the first and second housings on the corresponding sides. Because sheathed tube both ends can with first casing, second casing butt, after the retaining member locked first casing and second casing to a certain extent, first casing and second casing received sheathed tube butt, just can't continue locking again to can avoid filling up excessive compression with the damping, guarantee that the damping fills up and have good damping effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a vibration damping device for an elevator guide rail according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a first damping device according to a first embodiment;

FIG. 3 is an exploded view of a second embodiment of a damping device;

FIG. 4 is a sectional view of a vibration damping device according to a first embodiment;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4;

FIG. 6 is a schematic view of the installation of a vibration damping device with an elevator guide rail according to one embodiment;

FIG. 7 is an exploded view of the first vibration damping device according to the second embodiment;

FIG. 8 is an exploded view of a second embodiment of a second vibration damping device;

FIG. 9 is an exploded view of a vibration damping device according to a third embodiment;

FIG. 10 is a sectional view of a vibration damping device according to a third embodiment;

fig. 11 is an enlarged schematic view of a portion B in fig. 9.

The elevator guide rail structure comprises a shell 1, a first shell 10, a first clamping plate 100, a first side plate 101, a second shell 11, a second clamping plate 110, a second side plate 111, a damping pad 2, a through hole 20, an elastic boss 21, an elastic enclosure 22, a groove 23, a connecting piece 3, a connecting part 30, a through hole 300, a bulge 301, a bolt 4, a nut 40, a sleeve 5, a bending plate 6 and an elevator guide rail 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Embodiments of the present invention are described below with reference to the drawings.

The first embodiment is as follows: the embodiment provides a vibration damping device for an elevator guide rail, as shown in fig. 1 to 5, the vibration damping device comprises a shell 1, a vibration damping pad 2, a connecting piece 3 and a locking piece, wherein the shell 1 comprises a first shell 10 and a second shell 11, the first shell 10 and the second shell 11 are locked through the locking piece and clamp and compress the vibration damping pad 2, the first shell 10 and the second shell 11 are locked through the locking piece, the first shell 10 and the second shell 11 clamp and compress the vibration damping pad 2 in a locking state, the vibration damping pad 2 is compressed, the rigidity is increased, and the vibration damping effect is enhanced; connecting piece 3 has the connecting portion 30 that stretches into in damping pad 2, be provided with perforation 300 on connecting portion 30, the retaining member passes perforation 300, there is the interval between the inner wall of perforation 300 and the retaining member, reduce the contact between retaining member and the inner wall of perforation 300 like this, and be formed with the elasticity limit structure who is used for restricting connecting portion 30 relative retaining member aversion on damping pad 2, utilize the relative retaining member aversion of elasticity limit structure restriction connecting portion 30, just can prevent to take place rigid contact between the inner wall of perforation 300 and the retaining member, when vibration takes place, vibration energy can transmit to damping pad 2 like this. Specifically, in the present embodiment, the locking member includes a bolt 4 and a nut 40, through holes 20 are formed in the housing 1 and the damping pad 2, the bolt 4 is threaded with the nut 40 through the through hole 20 in the housing 1, the through hole 20 in the damping pad 2, the through hole 300 in the connecting portion 30, the through hole 20 in the damping pad 2, and the through hole 20 in the housing 1 from one side of the housing 1, so as to lock the first housing 10 and the second housing 11, and the damping pad 2 is clamped and compressed in the locked state of the first housing 10 and the second housing 11. It will be appreciated that in other embodiments, snap-fit or close-fitting socket structures may be used as the locking members. For example, the clamping function can be achieved by using a fastener with a socket, passing the fastener through the through hole 20 and the through hole 300 from one side of the housing 1, and providing an insert adapted to the fastener on the other side of the housing 1, and locking the first housing 10 and the second housing 11 by the interference fit of the insert and the fastener. The damping pad 2 of the present embodiment is made of polyurethane, and may be made of rubber or other high polymer elastic material, and the damping pad 2 of the present embodiment is compressed to 85% of the initial thickness to obtain excellent rigidity and damping effect.

Specifically, in the present embodiment, the elastic limiting structure includes an elastic boss 21 formed by outwardly protruding a portion of the damping pad 2 located around the through hole 20, and the elastic boss 21 extends into the gap, and the elastic boss 21 can play a limiting role between the bolt 4 and the inner wall of the through hole 300, so as to prevent the bolt 4 and the inner wall from being in rigid contact. Further, the elastic boss 21 in this embodiment is annular, and the outer diameter of the elastic boss 21 is substantially the same as the inner diameter of the through hole 300, so that the elastic boss 21 can substantially fill the gap, and can better perform a limiting function. In the present embodiment, the outer diameter of the bolt 4 is substantially the same as the inner diameter of the through hole 20, and the outer diameter of the bolt 4 is smaller than the inner diameter of the through hole 300, so that the above-described space is formed between the bolt 4 and the inner wall of the through hole 300.

In order to enhance the limiting effect on the connecting portion 30, the elastic limiting structure in this embodiment further includes, in addition to the elastic boss 21, an elastic enclosure 22 formed by vertically and outwardly protruding the edge of the vibration damping pad 2, the elastic enclosure 22 is attached to the side surface of the connecting portion 30, and the elastic enclosure 22 limits the connecting portion 30, so as to limit the displacement of the connecting portion 30 relative to the bolt 4, and further prevent the inner wall of the through hole 300 from rigidly contacting the bolt 4. When the vibration is great, the connecting portion 30 may be influenced by the vibration to shift, although the elastic enclosure 22 has a limiting effect on the connecting portion 30, because the elastic enclosure 22 has elastic deformation capability, it may be excessively extruded and deviated by the connecting portion 30, and loses the limiting effect, therefore, in this embodiment, a positioning portion for positioning the elastic enclosure 22 is further provided, and by setting the positioning portion, the elastic enclosure 22 can be positioned, and it is ensured that it has a limiting effect on the connecting portion 30. Specifically, in the present embodiment, the first housing 10 includes a first clamping plate 100 and a first side plate 101 formed on the first clamping plate 100, the second housing 11 includes a second clamping plate 110 and a second side plate 111 formed on the second clamping plate 110, and the overall size of the first housing 10 is set slightly smaller than that of the second housing 11, so that the first side plate 101 can be embedded into the second side plate 111 during assembly, and the damping pad 2 is clamped between the first clamping plate 100 and the second clamping plate 110, and accordingly, the first side plate 101 is attached to the side portion of the damping pad 2, so as to position the elastic enclosure 22, that is, the first side plate 101 is the positioning portion in the present embodiment.

It is understood that, in the present embodiment, the elastic boss and the elastic enclosure are combined, and in other embodiments, only the elastic boss may be used as the elastic limiting structure, instead of the elastic enclosure, and the above-mentioned effects can also be achieved.

For convenience of assembly, the damping pad 2 in the present embodiment includes two damping pads, and for convenience of description, the two damping pads 2 are named as a first damping pad and a second damping pad respectively, and the connecting portion 30 is clamped between the first damping pad and the second damping pad.

In addition, in the embodiment, the bolt 4 and the nut 40 are used as locking parts, so that not only can the shell 1 be locked and the damping pad 2 be clamped and compressed, but also the damping device can be assembled and connected on the installation site, specifically, when the damping device is installed, as shown in fig. 6, the bolt 4 and the nut 40 are matched and fastened and connected to the elevator guide rail 7, the bending plate 6 is used, the bending plate 6 is matched with the shell 1, and the bending plate 6 and the shell 1 are clamped on two sides of the elevator guide rail 7 through the bolt 4, so that the damping device and the elevator guide rail 7 are installed.

Example two: the embodiment also provides a vibration damping device for an elevator guide rail, and the difference between the embodiment and the above embodiment is that the elastic limiting structure in the embodiment is different, and as shown in fig. 7 and fig. 8, the elastic limiting structure in the embodiment further includes a protrusion 301 disposed on the connecting portion 30 and a groove 23 disposed on the vibration damping pad 2 on the basis of the elastic limiting structure in the first embodiment, when assembling, the connecting portion 30 is clamped in the vibration damping pad 2, and the protrusion 301 and the groove 23 are matched with each other, so that the limiting effect on the connecting portion 30 can be achieved, and further, the inner wall of the through hole 300 is prevented from being in rigid contact with the bolt 4. It will be appreciated that in other embodiments, it is also possible to provide the projection 301 on the damping pad 2 and the recess 23 on the connecting portion 30.

In this embodiment, an elastic limiting structure in which the protrusion 301 and the groove 23 are matched is added on the basis of the first embodiment, and it can be understood that, in other embodiments, an elastic limiting structure in which the protrusion 301 and the groove 23 are matched may be used instead of the elastic enclosure 22, that is, an elastic limiting structure of an elastic boss and an elastic limiting structure in which the protrusion 301 and the groove 23 are matched are used in combination.

Example three: the present embodiment also provides a vibration damping device for an elevator guide rail, and as shown in fig. 9 to 11, the present embodiment is different from the above-described embodiments in that a sleeve 5 is inserted into a through hole 20 on a vibration damping pad 2 in the present embodiment, a bolt 4 is passed through the sleeve 5, and a space is formed between the sleeve 5 and an inner wall of a through hole 300, and the sleeve 5 is configured such that both ends thereof can abut against a first case 10 and a second case 11 on the corresponding sides.

Based on above-mentioned difference technical characteristics, because sleeve pipe 5's both ends can with first casing 10, second casing 11 butt, after bolt 4 and nut 40 lock first casing 10 and second casing 11 to certain degree, first casing 10 and second casing 11 receive sleeve pipe 5's butt, just can't continue to lock again, the benefit that sets up like this lies in, can control the degree that damping pad 2 compressed through sleeve pipe 5's length, thereby can avoid filling up 2 excessive compressions with damping, guarantee that damping pad 2 has good damping effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second", and the like used in the embodiments of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated in the embodiments. Therefore, the features of the embodiments of the present invention defined by the terms "first", "second", and the like, may explicitly or implicitly indicate that at least one of the features is included in the embodiments. In the description of the present invention, the word "plurality" means at least two or two and more, such as two, three, four, etc., unless specifically limited otherwise in the examples.

In the present invention, unless otherwise explicitly specified or limited by the embodiments, the terms "mounted," "connected," and "fixed" appearing in the embodiments are to be understood in a broad sense, for example, the connection may be a fixed connection, a detachable connection, or an integrated connection, and it may be understood that the connection may also be a mechanical connection, an electrical connection, or the like; of course, they may be directly connected or indirectly connected through an intermediate medium, or they may be interconnected or in mutual relationship. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific implementation.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A vibration damping device for an elevator guide rail comprises a shell (1), a vibration damping pad (2), a connecting piece (3) and a locking piece, wherein the shell (1) comprises a first shell (10) and a second shell (11), and the first shell (10) and the second shell (11) are locked by the locking piece and clamp and compress the vibration damping pad (2);

the connecting piece (3) is provided with a connecting part (30) extending into the damping pad (2), a through hole (300) is formed in the connecting part (30), and the locking piece penetrates through the through hole (300);

the vibration damping pad is characterized in that a space is reserved between the inner wall of the through hole (300) and the locking piece, and an elastic limiting structure used for limiting the displacement of the connecting part (30) relative to the locking piece is formed on the vibration damping pad (2).

2. The vibration damping device for an elevator guide rail according to claim 1, wherein the vibration damping pad (2) is provided with a through hole (20) through which the locking member passes, and the elastic stopper structure comprises an elastic projection (21) formed by outwardly projecting a portion of the vibration damping pad (2) located at the periphery of the through hole (20), the elastic projection (21) projecting into the space.

3. The vibration damper for elevator guide rails according to claim 2, wherein the elastic boss (21) is annular, and an outer diameter of the elastic boss (21) is substantially the same as an inner diameter of the penetration hole (300).

4. The vibration damping device for the elevator guide rail according to claim 2, wherein the elastic limiting structure further comprises an elastic fence (22) formed by vertically and outwardly protruding the edge of the vibration damping pad (2), and the elastic fence (22) is attached to the side of the connecting portion (30).

5. Vibration damping device for elevator guide rails according to claim 4, characterized in that the housing (1) has a positioning portion for positioning the elastic fence (22).

6. The vibration damping device for an elevator guide rail according to claim 2 or 4, wherein the elastic stopper structure further comprises a protrusion (301) and a groove (23) which are fitted to each other, and the protrusion (301) is formed on one of the vibration damping pad (2) and the connecting portion (30) and the groove (23) is formed on the other.

7. The vibration damping device for elevator guide rails according to claim 1, wherein the vibration damping pad (2) comprises a first vibration damping pad (2) and a second vibration damping pad (2), the connecting portion (30) is clamped between the first vibration damping pad (2) and the second vibration damping pad (2), and the elastic limit structure is provided on the first vibration damping pad (2) and/or the second vibration damping pad (2).

8. The vibration damping device for an elevator guide rail according to claim 1, wherein the locking member comprises a bolt (4) and a nut (40) which are engaged with each other, wherein the bolt (4) passes through the through-hole (300).

9. The vibration damping device for elevator guide rails according to claim 8, characterized in that it is connected firmly to the elevator guide rail or to the installation station by means of the bolt (4) in cooperation with a nut (40).

10. The vibration damping device for an elevator guide rail according to claim 1 or 8, wherein the vibration damping pad (2) is provided with a through-hole (20) through which the locker passes, a sleeve (5) is inserted into the through-hole (20), the locker passes through the sleeve (5), and the space is formed between the sleeve (5) and an inner wall of the through-hole (300);

the sleeve (5) is configured such that both ends thereof can abut against the first and second housings (10, 11) on the corresponding sides.

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