CN211117211U

CN211117211U - Universal joint pin shaft sleeve with sealing element structure

Info

Publication number: CN211117211U
Application number: CN201921430029.8U
Authority: CN
Inventors: 朱伟良; 蔡光兴
Original assignee: Hangzhou Carmi Auto Parts Co ltd
Current assignee: Hangzhou Carmi Auto Parts Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-07-28
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a universal joint round pin axle sleeve of area sealing member structure, including the round pin axle body, the round pin axle body still includes dome section, cylinder section and linkage segment, the connecting hole has been seted up to the inside level of linkage segment, the outside cover of round pin axle body is equipped with the coupling sleeve, and the outside of round pin axle body and coupling sleeve still overlaps and is equipped with the axle sleeve wall, the mounting groove has been seted up on the top of axle sleeve wall, it has the sealing washer to fill between dome section and the mounting groove, the coupling sleeve includes cover post and folding section, cover post and folding section fixed connection, the utility model relates to a universal joint round pin axle technical field. This universal joint round pin axle sleeve of taking sealing member structure passes through the fixture block of sealing washer and connecting axle sleeve bottom, can let round pin axle and round pin hub connection's both ends form the environment sealed relatively, can prevent that dust or moisture from entering into between round pin axle and the round pin axle sleeve, can prevent that round pin axle and round pin axle sleeve from being harmd, improves the life of round pin axle and round pin axle sleeve.

Description

Universal joint pin shaft sleeve with sealing element structure

Technical Field

The utility model relates to a universal joint round pin axle technical field specifically is a universal joint round pin axle sleeve of taking sealing member structure.

Background

The universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, is mainly used for the hinged part of two parts to form a hinged connection, is usually locked by a split pin, is reliable in work and convenient to disassemble, is one of important components in the universal joint, and can be provided with a shaft sleeve in the diameter of the pin shaft and the pin hole by some manufacturers to protect the pin shaft.

The Chinese patent discloses a positioning type pin shaft sleeve (publication number: CN 203023214U), which is a double-step shaft sleeve and consists of a left cylindrical end section, a middle cylindrical end section and a right cylindrical end section which are integrally formed from left to right and provided with the same central shaft hole, wherein the diameters of the left and right cylindrical end sections are smaller than the diameter of a shoulder section of the middle cylindrical end section to form a left and right double step, and the opening distance between the step surface of the left cylindrical end section and the step surface of the right cylindrical end section is the same as the opening distance between two connecting plates.

The existing pin shaft sleeve and the pin shaft are poor in integrity, when the pin shaft sleeve is used, dust and moisture can enter the pin shaft and the pin shaft sleeve directly, damage is caused to the pin shaft and the pin shaft sleeve, and the integrity of the pin shaft sleeve is poor when the pin shaft sleeve is used, so that the pin shaft sleeve is unstable in connection with the pin shaft.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a universal joint round pin axle sleeve of area sealing member structure has solved current round pin axle sleeve relatively poor with the wholeness of round pin axle, when using, has dust and moisture to enter into round pin axle and axle sleeve directness, causes the damage to round pin axle and axle sleeve to the axle sleeve is when using, and its wholeness is relatively poor, leads to with the unstable problem of round pin hub connection.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a universal joint round pin axle sleeve of area sealing member structure, includes the round pin axle body, the round pin axle body still includes dome section, cylinder section and linkage segment, the connecting hole has been seted up to the inside level of linkage segment, the outside cover of round pin axle body is equipped with the coupling sleeve, and the outside of round pin axle body and coupling sleeve still overlaps and be equipped with the axle sleeve wall, the mounting groove has been seted up on the top of axle sleeve wall, it has the sealing washer to fill between dome section and the mounting groove, the coupling sleeve includes sleeve post and folding section, sleeve post and folding section fixed connection, the equal fixedly connected with fixture block in both sides of sleeve post bottom, the fixture block hugs closely in the bottom of axle sleeve wall.

Preferably, the sleeve column comprises a substrate layer, an inner ring of the substrate layer is adhered with a wear-resistant layer, an outer ring of the substrate layer is adhered with a rubber layer, and the wear-resistant layer is one or a combination of glass limiting, carbon fiber and polyester fiber.

Preferably, the outer diameter of the sleeve column is equal to the inner diameter of the shaft sleeve wall, and the inner diameter of the sleeve column is equal to the outer diameter of the cylindrical section.

Preferably, the diameter of the dome section is equal to the inner diameter of the placement groove, and the diameter of the connecting section is smaller than that of the cylindrical section.

Preferably, the fixture block is divided into a connecting part and a clamping part, the connecting part is fixedly connected with the folding section, the clamping part is an arc-shaped component, and the connecting part is fixedly connected with the middle part of the clamping part.

Preferably, the part of the outer side of the clamping part of the clamping block is tightly attached to the bottom end of the shaft sleeve wall, the outer surface of the clamping block is flush with the outer surface of the shaft sleeve wall, and the part inside the clamping part of the clamping block is tightly attached to the part, connected with the cylindrical section and the connecting section, of the cylindrical section.

Preferably, the sealing ring is a rubber component, the outer diameter of the sealing ring is equal to the inner diameter of the mounting groove, and the inner diameter of the sealing ring is equal to the diameter and the length of the cylindrical section.

Advantageous effects

The utility model provides a take universal joint round pin axle sleeve of sealing member structure. Compared with the prior art, the method has the following beneficial effects:

(1) The universal joint pin shaft sleeve with the sealing element structure is provided with a mounting groove through the top end of the shaft sleeve wall, a sealing ring is filled between the circular top section and the mounting groove, the part outside the clamping part of the clamping block is tightly attached to the bottom end of the shaft sleeve wall, the outer surface of the clamping block is flush with the outer surface of the shaft sleeve wall, the part inside the clamping part of the clamping block is tightly attached to the part where the cylindrical section is connected with the connecting section, the sealing ring is a rubber component, the outer diameter of the sealing ring is equal to the inner diameter of the placing groove, the inner diameter of the sealing ring is equal to the diameter length of the cylindrical section, the novel bearing bush is characterized in that the sealing ring and the clamping block connected with the bottom end of the shaft sleeve are arranged on the shaft sleeve, can let the both ends of round pin axle and round pin axle sleeve connection form the environment of relative seal, can prevent that dust or moisture from entering into between round pin axle and the round pin axle sleeve, can prevent that round pin axle and round pin axle sleeve from being damaged, improve the life of round pin axle and round pin axle sleeve.

(2) This take universal joint round pin axle sleeve of sealing member structure, include sleeve post and folding section through connecting the axle sleeve, sleeve post and folding section fixed connection, the equal fixedly connected with fixture block in both sides of sleeve post bottom, the fixture block hugs closely the bottom at the axle sleeve wall, the sleeve post includes the matrix layer, the inner circle on matrix layer is stained with the wearing layer, and the outer lane of matrix layer is stained with the rubber layer, the wearing layer is glass spacing, one kind or multiple combination in carbon fibre and the polyester fiber, the axle sleeve comprises two parts in this device, compare in prior art, can let the axle sleeve more firm of being connected between pinhole and the round pin axle, and can promote the stability of universal joint during operation.

Drawings

FIG. 1 is an assembly view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

Fig. 4 is a cross-sectional view of the present invention;

Fig. 5 is a schematic view of the middle casing column according to the present invention.

In the figure: 1. a pin shaft body; 2. connecting holes; 3. a bushing wall; 4. connecting the shaft sleeve; 5. a seal ring; 11. a dome section; 12. a cylindrical section; 13. a connecting section; 31. a placing groove; 41. sleeving a column; 42. a folding section; 43. a clamping block; 411. a substrate layer; 412. a rubber layer; 413. and a wear-resistant layer.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a universal joint pin shaft sleeve with a sealing element structure comprises a pin shaft body 1, wherein the pin shaft body 1 further comprises a dome section 11, a cylindrical section 12 and a connecting section 13, a connecting hole 2 is horizontally formed in the connecting section 13, a connecting shaft sleeve 4 is sleeved outside the pin shaft body 1, the connecting shaft sleeve 4 is a rubber component, a shaft sleeve wall 3 is further sleeved outside the pin shaft body 1 and the connecting shaft sleeve 4, a protruding block for limiting is arranged at the top end of the side wall of the connecting shaft sleeve 4, a clamping groove corresponding to the protruding block is formed in the shaft sleeve wall 3, the shaft sleeve in the device is composed of two parts, compared with the prior art, the connection between the shaft sleeve and a pin hole and the pin shaft can be firmer, the stability of the universal joint during operation can be improved, a mounting groove 31 is formed in the top end of the shaft sleeve wall 3, the diameter of the dome section 11 is equal to the inner diameter of the mounting groove 31, and the diameter of the connecting section, the sealing ring 5 is filled between the circular top section 11 and the placing groove 31, the sealing ring 5 is a rubber component, the outer diameter of the sealing ring 5 is equal to the inner diameter of the placing groove 31, the inner diameter of the sealing ring 5 is equal to the diameter length of the cylindrical section 12, the connecting shaft sleeve 4 comprises a sleeve column 41 and a folding section 42, the sleeve column 41 comprises a substrate layer 411, an abrasion-resistant layer 413 is adhered to the inner ring of the substrate layer 411, a rubber layer 412 is adhered to the outer ring of the substrate layer 411, the abrasion-resistant layer 413 is made of carbon fiber and polyester fiber, the outer diameter of the sleeve column 41 is equal to the inner diameter of the shaft sleeve wall 3, the inner diameter of the sleeve column 41 is equal to the outer diameter of the cylindrical section 12, the sleeve column 41 is fixedly connected with the folding section 42, the two sides of the bottom end of the sleeve column 41 are fixedly connected with clamping blocks 43, the clamping blocks 43 are divided into a connecting part and a clamping, connection position and the middle part fixed connection at joint position, the part in the fixture block 43 joint position outside closely laminates with the bottom of axle sleeve wall 3, and the fixture block 43 surface is kept level with the surface of axle sleeve wall 3, the inside part in fixture block 43 joint position closely laminates with the position that cylinder section 12 is connected with linkage segment 13, fixture block 43 hugs closely in the bottom of axle sleeve wall 3, this novel fixture block 43 through sealing washer 5 and connecting axle sleeve 4 bottom can let the round pin axle form the environment sealed relatively with the both ends of round pin hub connection, can prevent that dust or moisture from entering into between round pin axle and the round pin axle sleeve, can prevent that round pin axle and round pin axle sleeve from being damaged, improve the life of round pin axle and round pin axle sleeve.

During the use, first imbed the connecting axle sleeve 4 in the axle sleeve wall 3, and align the limit structure of connecting axle sleeve 4 and axle sleeve wall 3, fix it, and when not installing the round pin axle, the fixture block 43 is the state of closing up, and the folding section 42 contracts, thereby can remain the fixture block 43 in the inside of axle sleeve wall 3, when installing round pin axle body 1, imbed sealing washer 5 in the mounting groove 31 earlier, then imbed round pin axle body 1 in the connecting axle sleeve 4, when sliding pin axle body 1, the joint part of its cylinder section 12 and connecting section 13 can touch the joint part of fixture block 43, thereby can stretch the folding section 42 through fixture block 43, and can extrude fixture block 43 deformation, after fixture block 43 is taken out axle sleeve wall 3, can block in the outside of axle sleeve wall 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take universal joint round pin axle sleeve of sealing member structure, includes round pin axle body (1), round pin axle body (1) still includes dome section (11), cylinder section (12) and linkage segment (13), connecting hole (2), its characterized in that have been seted up to the inside level of linkage segment (13): the utility model discloses a hinge pin structure, including round pin axle body (1), mounting groove (31) have been seted up on the top of round pin axle body (1), and round pin axle body (1) is equipped with connecting axle sleeve (4) with the outside of connecting axle sleeve (4) still the cover is equipped with axle sleeve wall (3), mounting groove (31) have been seted up on the top of axle sleeve wall (3), it has sealing washer (5) to fill between dome section (11) and mounting groove (31), connecting axle sleeve (4) are including cover post (41) and folding section (42), cover post (41) and folding section (42) fixed connection, the equal fixedly connected with fixture block (43) in both sides of cover post (41) bottom, the bottom at axle sleeve wall (3) is hugged closely in fixture block.

2. The universal joint pin bushing with a seal structure according to claim 1, wherein: the sleeve column (41) comprises a substrate layer (411), a wear-resistant layer (413) is adhered to the inner ring of the substrate layer (411), a rubber layer (412) is adhered to the outer ring of the substrate layer (411), and the wear-resistant layer (413) is one or a combination of glass limiting, carbon fiber and polyester fiber.

3. The universal joint pin bushing with a seal structure according to claim 2, wherein: the outer diameter of the sleeve column (41) is equal to the inner diameter of the shaft sleeve wall (3), and the inner diameter of the sleeve column (41) is equal to the outer diameter of the cylindrical section (12).

4. The universal joint pin bushing with a seal structure according to claim 1, wherein: the diameter of the circular top section (11) is equal to the inner diameter of the placement groove (31), and the diameter of the connecting section (13) is smaller than that of the cylindrical section (12).

5. The universal joint pin bushing with a seal structure according to claim 1, wherein: the clamping block (43) is divided into a connecting part and a clamping part, the connecting part is fixedly connected with the folding section (42), the clamping part is a circular arc-shaped component, and the connecting part is fixedly connected with the middle part of the clamping part.

6. The cardan pin sleeve with a seal structure according to claim 5, wherein: the part of the outer side of the clamping part of the clamping block (43) is tightly attached to the bottom end of the shaft sleeve wall (3), the outer surface of the clamping block (43) is flush with the outer surface of the shaft sleeve wall (3), and the part inside the clamping part of the clamping block (43) is tightly attached to the part where the cylindrical section (12) is connected with the connecting section (13).

7. The universal joint pin bushing with a seal structure according to claim 1, wherein: the sealing ring (5) is a rubber component, the outer diameter of the sealing ring (5) is equal to the inner diameter of the placement groove (31), and the inner diameter of the sealing ring (5) is equal to the diameter length of the cylindrical section (12).