CN210152474U

CN210152474U - Anti-deformation sliding door upper pulley

Info

Publication number: CN210152474U
Application number: CN201822143574.0U
Authority: CN
Inventors: 黄永华
Original assignee: Foshan Bainianshun Hardware Products Co Ltd
Current assignee: Foshan Bainianshun Hardware Products Co Ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-03-17
Anticipated expiration: 2028-12-20

Abstract

The utility model relates to a shape of preapring for an unfavorable turn of events moves a top sheave belongs to and moves a top sheave field, including the top sheave board, first rivet, second rivet, first top sheave, second top sheave and connection piece, the top sheave top is provided with first rivet and second rivet, it is equipped with first bearing and second bearing to equally divide in the first rivet and the second rivet outside, it is equipped with first top sheave and second top sheave to equally divide respectively the cover in the first bearing and the second bearing outside, both sides are equipped with third through-hole and fourth through-hole respectively about the connection piece, be equipped with first rivet in the third through-hole, be equipped with the second rivet in the fourth through-hole, connection piece and first top sheave and the mutual laminating of second top sheave. The utility model discloses a connection piece carries on spacingly to two rivets, improves the rigidity that moves a pulley, strengthens the guiding force between two pulleys, avoids the pulley to receive the extrusion and warp.

Description

Anti-deformation sliding door upper pulley

Technical Field

The utility model relates to a shape of preapring for an unfavorable turn of events moves a pulley on belongs to and moves a pulley field on.

Background

Chinese utility model patent publication No. CN204326800U discloses a novel move a door and take turns, including the upper wheel bottom plate with through the loose pulley assembly of rivet fixed mounting on the upper wheel bottom plate, loose pulley assembly includes support piece and cladding in the rubber tyer of support piece surface, this support piece's center be equipped with rivet matched with mounting hole, the middle part of support piece surface inwards caves in and forms an annular groove, the rubber tyer be equipped with support piece assorted through-hole, be equipped with round and annular groove assorted arch on the middle part of through-hole, the rubber tyer is inlayed on support piece's surface through protruding cooperation with annular groove. The upper wheel of the sliding door is simple in structure, reduces production cost, is convenient to install, can effectively prevent the rubber ring from being easily twisted and deformed or falling off in the pushing, pulling and stirring process, and the supporting piece is made of plastic, so that the defect that a metal bearing is easy to generate noise and abnormal sound after being used for a long time can be well overcome.

Chinese utility model patent publication CN202417140U discloses a take upper wheel of tensile gasket, comprises last wheel board, support ring, bearing, rubber tyer and rivet, at the tensile gasket of upper portion crimping of rubber tyer, and the diameter of packing ring is greater than the internal diameter of rubber tyer, at last wheel assembly, operation in-process, the rubber tyer can not be peeled off because of the effect of external force, has guaranteed that the upper wheel steadily moves perpendicularly on the inner wall of last track, slides freely.

Although the related patent applications show that the applicant researches to avoid the deformation and the falling of the upper pulley, the contact area between the bottom of the rivet and the surface of the upper pulley plate is limited due to the size of a bearing of the pulley, and the rivet body is influenced by axial pressure in the riveting process and is easy to skew to cause non-uniform size, so that the matching of the pulley and the guide rail is influenced, the door and window cannot slide due to being too tight after being installed, and can shake due to being too loose. In addition, in the use, the weight of door leaf can exert the effort to two upper pulleys thereby impel two upper pulleys to warp gradually to the centre and draw close to reduce door and window's life.

SUMMERY OF THE UTILITY MODEL

The utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the to-be-solved technical problem of the utility model is to provide a shape of preapring for an unfavorable turn of events moves a pulley, and this moves a pulley simple structure is reasonable, and the equipment of easily dismantling avoids because of the deformation that leads to the extrusion of pulley in the door leaf use.

In order to solve the technical problem, the technical scheme adopted by the utility model is to provide an anti-deformation sliding door upper pulley, which comprises an upper wheel plate, a first bearing, a second bearing, a first rivet, a second rivet, a first upper pulley and a second upper pulley, wherein the left side and the right side of the top of the upper wheel plate are respectively provided with a first through hole and a second through hole, the first rivet and the second rivet are respectively accommodated in the first through hole and the second through hole, the outer sides of the first rivet and the second rivet are respectively sleeved with the first bearing and the second bearing, the outer sides of the first bearing and the second bearing are respectively sleeved with the first upper pulley and the second upper pulley, the anti-deformation sliding door upper pulley further comprises an anti-deformation sliding door upper pulley, the left side and the right side of the connecting piece on the surface are respectively provided with a third through hole and a fourth through hole, the third through hole is internally provided with the first rivet, the third through hole is mutually laminated with the upper part of the first rivet, the fourth through hole is internally provided with the second rivet, the fourth through hole is mutually laminated with the upper part of the second rivet, so that the first rivet is limited with the second rivet, the position degree of the machining size of the two rivets is ensured, and the lower part of the connecting piece is mutually laminated with the first upper pulley and the second upper pulley.

Preferably, the surface of the connecting sheet is provided with a reinforcing rib. The strengthening rib can strengthen the intensity of connection piece, guarantees the connection piece can be right first rivet with the second rivet is spacing to avoid moving the deformation of door upper pulley.

Preferably, the number of the reinforcing ribs is at least 1.

Preferably, the reinforcing rib is arranged between the third through hole and the fourth through hole, one end of the reinforcing rib is close to the third through hole, and the other end of the reinforcing rib is close to the fourth through hole.

Preferably, the reinforcing rib is disposed around the third through hole and the fourth through hole. The reinforcing rib can be arranged end to end along the edge of the connecting sheet, and the reinforcing rib can also be arranged between the third through hole and the fourth through hole and the edge of the connecting sheet.

Preferably, the left side and the right side of the top of the upper wheel plate are respectively provided with a first through hole and a second through hole, the first through hole and the second through hole are internally and respectively provided with a first rivet and a second rivet, the lower parts of the first through hole and the first rivet are mutually attached, the lower parts of the second through hole and the second rivet are mutually attached, and the outer edges of the first through hole and the second through hole are both provided with bulges along the circumferential direction. When the assembly move a door top sheave, protruding make the top sheave board respectively with first bearing with can laminate better between the second bearing, be favorable to guaranteeing the position of two top sheaves, avoid move a door top sheave warp.

Preferably, the projection and the upper wheel plate are provided as an integral molding.

Preferably, each of the first rivet and the second rivet comprises a rivet body, a first annular convex part and a second annular convex part, the first annular convex part is arranged on the outer side of the middle part of the rivet body, the second annular convex part is arranged above the first annular convex part, the connecting piece is arranged above the second annular convex part, so that the connecting piece is supported and limited, and the outer diameter of the first annular convex part is smaller than that of the second annular convex part.

Preferably, a surface of the first annular projection is provided with a groove in a circumferential direction, and the groove accommodates a lubricant therein. When the sliding door upper pulley is used, the first bearing and the second bearing respectively and the first rivet and the second rivet are provided with the lubricating oil, so that the sliding door upper pulley is smooth to use, and the resistance and the noise are reduced.

Preferably, the material of connection piece is stainless steel or iron, first rivet with the material of second rivet is iron, stainless steel or copper, first upper pulley with the material of second upper pulley is POM, PVC, TPE, TPU or silica gel. The POM is polyformaldehyde, and has high strength, rigidity, elasticity and wear resistance. The mechanical property is excellent, the specific strength can reach 50.5MPa, the specific rigidity can reach 2650MPa, and the specific rigidity is very close to that of metal; the PVC is polyvinyl chloride, and has excellent mechanical property and electrical property, extremely strong acid and alkali resistance and good chemical stability; the TPE is a thermoplastic elastomer material, has the characteristics of high strength, high resilience and injection molding processing, is wide in application range, environment-friendly, non-toxic and safe, and has excellent colorability; the TPU is thermoplastic polyurethane elastomer rubber, has wide hardness range, is wear-resistant, oil-resistant, water-resistant, mould-resistant, transparent and good in elasticity.

In a word, adopt the utility model discloses a shape of preapring for an unfavorable turn of events moves door upper pulley has following beneficial effect:

1. the connecting sheet is arranged between the first rivet and the second rivet, so that the first rivet and the second rivet are limited, the position degree of the machining size of the two rivets is ensured, the rigidity of the upper pulley of the sliding door is improved, the guiding force between the two upper pulleys is enhanced, and the deformation of the upper pulley due to the acting force generated in the use process of the door leaf is avoided;

2. the reinforcing ribs are arranged on the surface of the connecting sheet, so that the strength of the connecting sheet is enhanced, and the deformation of the pulleys on the sliding door is further avoided;

3. the bulges which are integrally formed with the upper wheel plate are directly arranged on the outer edges of the first through hole and the second through hole, so that the upper wheel plate is better attached to the bearing, the positions of the two upper pulleys are favorably ensured, and the deformation of the upper pulley on the sliding door is avoided;

4. through offer the recess that is used for holding lubricating oil on first rivet and second rivet to the help moves a pulley and uses smoothly, reduces resistance, noise.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is an exploded view of an upper pulley of a deformation preventing sliding door;

FIG. 2 is a perspective view of an upper pulley of a deformation-preventing sliding door;

FIG. 3 is an elevation view of the first rivet or the second rivet;

FIG. 4 is a perspective view of the first rivet or the second rivet;

FIG. 5 is a schematic view of one arrangement of reinforcing bars;

FIG. 6 is a schematic view of an alternative arrangement of reinforcing bars;

figure 7 is a schematic view of an alternative arrangement of reinforcing bars.

The first wheel plate 1, the first through hole 11, the second through hole 12, the protrusion 13, the first bearing 21, the second bearing 22, the first rivet 31, the second rivet 32, the rivet body 33, the first annular protrusion 34, the groove 341, the second annular protrusion 35, the first upper pulley 41, the second upper pulley 42, the connecting piece 5, the third through hole 51, the fourth through hole 52, and the reinforcing rib 53.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the scope of the invention.

In the description of the present invention, it should 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", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, 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 "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Example 1

As shown in fig. 1 and 2, the utility model provides a prevent deformation move a door top sheave, including top sheave plate 1, first bearing 21, second bearing 22, first rivet 31, second rivet 32, first top sheave 41 and second top sheave 42, first rivet 31 with second rivet 32 material is stainless steel, first top sheave 41 with the material of second top sheave 42 is silica gel. The left side and the right side of the top of the upper wheel plate 1 are respectively provided with a first through hole 11 and a second through hole 12, the first through hole 11 and the second through hole 12 accommodate therein the first rivet 31 and the second rivet 32, the first bearing 21 and the second bearing 22 are respectively sleeved on the outer sides of the first rivet 31 and the second rivet 32, the outer sides of the first bearing 21 and the second bearing 22 are respectively sleeved with the first upper pulley 41 and the second upper pulley 42, the deformation-preventing sliding door upper pulley also comprises a connecting sheet 5, the connecting sheet 5 is made of stainless steel, the left and right sides of the surface of the connecting sheet 5 are respectively provided with a third through hole 51 and the fourth through hole 52, the first rivet 31 is arranged in the third through hole 51, the second rivet 32 is arranged in the fourth through hole 52, the lower part of the connecting sheet 5 is attached to the first upper pulley 41 and the second upper pulley 42.

As shown in fig. 3 and 4, each of the first rivet 31 and the second rivet 32 includes a rivet body 33, a first annular protrusion 34, and a second annular protrusion 35, the first annular protrusion 34 is disposed on an outer side of a middle portion of the rivet body 33, the second annular protrusion 35 is disposed above the first annular protrusion 34, the connecting piece 5 is disposed above the second annular protrusion 35, and an outer diameter of the first annular protrusion 34 is smaller than an outer diameter of the second annular protrusion 35.

Preferably, as shown in fig. 5, reinforcing ribs 53 are provided on the surface of the connecting sheet 5, the reinforcing ribs 53 are provided around the third through hole 51 and the fourth through hole 52, the reinforcing ribs 53 are provided at positions between the third through hole 51 and the fourth through hole 52 and the edge of the connecting sheet 5, the reinforcing ribs 53 are provided end to end, and the number of the reinforcing ribs 53 is 1.

Preferably, the outer edges of the first through hole 11 and the second through hole 2 are both provided with a protrusion 13 along the circumferential direction, and the protrusion 13 and the upper wheel plate 1 are integrally formed.

Preferably, as shown in fig. 4, a groove 341 is circumferentially provided on a surface of the first annular protrusion 34, and the groove 341 accommodates lubricating oil therein.

Example 2

Example 2 differs from example 1 in that:

the first rivet 31 and the second rivet 32 are made of copper.

The first upper pulley 41 and the second upper pulley 42 are made of PVC.

The connecting sheet 5 is made of iron.

As shown in fig. 6, the reinforcing ribs 53 are disposed between the third through hole 51 and the fourth through hole 52, one end of each reinforcing rib 53 is close to the third through hole 51, the other end of each reinforcing rib 53 is close to the fourth through hole 52, the number of the reinforcing ribs 53 is 2, and the 2 reinforcing ribs 53 are parallel to each other.

Example 3

Example 3 differs from example 1 in that:

the first rivet 31 and the second rivet 32 are made of iron.

The first upper pulley 41 and the second upper pulley 42 are made of TPE.

As shown in fig. 7, the reinforcing ribs 53 are provided around the edge of the connecting piece 5.

The working mode is as follows: the first upper pulley 41 and the second upper pulley 42 of the assembled upper pulley of the sliding door are arranged in the track of the door leaf, then the door leaf and the lower end of the upper wheel plate 1 are assembled, and then the first upper pulley 41 and the second upper pulley 42 move in the track by pushing the door leaf and other operations, so that the door leaf is driven to move.

The utility model has the advantages that:

Claims

1. The utility model provides a preapring for an unfavorable turn of events shape move a pulley, includes upper sheave plate, first rivet, second rivet, first upper sheave and second upper sheave, the upper sheave plate top is provided with first rivet with the second rivet, first rivet with the second rivet outside is equallyd divide and is do not overlapped and be equipped with first bearing and second bearing, first bearing with the second bearing outside is equallyd divide and is do not overlapped and be equipped with first upper sheave with the second upper sheave, a serial communication port, preapring for an unfavorable turn of events shape move a pulley still including the connection piece, both sides are provided with third through-hole and fourth through-hole respectively about the connection piece, be provided with in the third through-hole first rivet, be provided with in the fourth through-hole the second rivet, the connection piece with first upper sheave reaches the second upper sheave laminates each other.

2. The deformation-preventing sliding door upper pulley according to claim 1, wherein the surface of the connecting piece is provided with a reinforcing rib.

3. The anti-deformation sliding door upper pulley according to claim 2, wherein the number of the reinforcing ribs is at least 1.

4. The anti-deformation sliding door upper pulley according to claim 2, wherein the reinforcing rib is disposed between the third through hole and the fourth through hole, one end of the reinforcing rib is close to the third through hole, and the other end of the reinforcing rib is close to the fourth through hole.

5. The deformation-preventing sliding door upper pulley according to claim 2, wherein the reinforcing rib is disposed around the third through hole and the fourth through hole.

6. The deformation-preventing sliding door upper pulley according to claim 1, wherein a first through hole and a second through hole are respectively formed in the left side and the right side of the top of the upper wheel plate, the first rivet and the second rivet are respectively accommodated in the first through hole and the second through hole, and protrusions are respectively formed at the outer edges of the first through hole and the second through hole along the circumferential direction.

7. The deformation-preventing sliding door upper pulley according to claim 6, wherein the protrusion and the upper pulley plate are integrally formed.

8. The deformation-preventing sliding door upper pulley according to claim 1, wherein each of the first rivet and the second rivet comprises a rivet body, a first annular convex portion and a second annular convex portion, the first annular convex portion is arranged in the middle of the rivet body, the second annular convex portion is arranged above the first annular convex portion, the connecting piece is arranged above the second annular convex portion, and the outer diameter of the first annular convex portion is smaller than that of the second annular convex portion.

9. The deformation-preventing sliding door upper pulley according to claim 8, wherein a groove is circumferentially formed on a surface of the first annular protrusion, and lubricating oil is contained in the groove.

10. The anti-deformation sliding door upper pulley according to claim 1, wherein the connecting sheet is made of stainless steel or iron, the first rivet and the second rivet are made of iron, stainless steel or copper, and the first upper pulley and the second upper pulley are made of POM, PVC, TPE, TPU or silica gel.