CN217401436U

CN217401436U - Novel leaf spring round pin axle

Info

Publication number: CN217401436U
Application number: CN202221665628.XU
Authority: CN
Inventors: 侯山宝; 侯爱国; 刘夏兰
Original assignee: Zhejiang Shanbao Auto Parts Co ltd
Current assignee: Zhejiang Shanbao Auto Parts Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-09-09
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a novel steel plate spring pin shaft, which comprises a pin shaft body, a baffle fixedly connected at the left end of the pin shaft body, a second sealing ring and a first sealing ring fixedly sleeved at the left side and the right side of the outer wall of the pin shaft body, an early warning lamp is fixedly arranged on the left side wall of the baffle, an oil storage cavity is arranged at the right end of the pin shaft body, the right side of the inner part of the oil storage cavity is connected with an early warning component through threads, which relates to the technical field of automobile parts, the novel steel plate spring pin shaft is provided with a plurality of steel balls which can roll on the outer wall of the pin shaft body, the friction of the contact surface between the pin shaft body and the steel plate spring can be reduced after the pin shaft body and the steel plate spring are connected, in the extrusion process of the contact surface, the lubricating oil in the oil storage cavity can be extruded into the rotating groove through the oil pipe, an oil film is formed on the surface of the steel ball, so that the lubricating effect between the pin shaft and the steel plate spring is improved, and the third spring arranged between the sliding block and the movable groove can play a role in buffering when the steel ball is pressed.

Description

Novel leaf spring round pin axle

Technical Field

The utility model relates to an automobile parts technical field specifically is a novel leaf spring round pin axle.

Background

The steel plate spring is an elastic element which is most widely applied in automobile suspension, and is an elastic beam which is similar to equal strength and formed by combining a plurality of alloy spring pieces with equal width but unequal length (the thicknesses can be equal or unequal), and a pin shaft is a standardized fastener, can be statically and fixedly connected, can also do relative motion with a connected piece, and is mainly used for the hinged part of two parts to form hinged connection. The pin shaft is usually locked by a cotter pin, and has reliable work and convenient disassembly. At present, a steel plate spring is hinged with a steel plate spring fixed end support, a steel plate spring and a steel plate spring lifting lug or a lifting lug and the steel plate spring lifting lug end support by using a steel plate spring pin shaft to transmit force and moment.

For example, chinese patent CN213899593U discloses a leaf spring pin, which has the characteristics of convenient connection, easy positioning, high overall structure strength, good bearing capacity, good lubricating effect and long service life.

But this leaf spring round pin axle's lubricating oil is concentrated and is distributed around oil outlet and lubrication groove, and unable evenly distributed arrives spring round pin axle surface, and is lubricated thoroughly, and only the sound of sending through iron plate and round pin axle collision after lubricating oil uses moreover is less, can't learn fast in the in-service use process, leads to the round pin axle to lack lubricating oil and leads to accelerating the damage speed, reduces its life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel leaf spring round pin axle has solved the unable evenly distributed of traditional spring pin axle lubricating oil and has arrived spring pin axle surface, leads to lubricated thoroughly and can't learn fast in routine maintenance whether the round pin axle is inside to lack lubricating oil, leads to the inside lubricating oil that lacks of round pin axle to wear and tear the dynamics with higher speed easily, reduces its life's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel steel plate spring pin shaft comprises a pin shaft body, a baffle fixedly connected at the left end of the pin shaft body, and a second sealing ring and a first sealing ring fixedly sleeved at the left side and the right side of the outer wall of the pin shaft body, an early warning lamp is fixedly arranged on the left side wall of the baffle, an oil storage cavity is formed at the right end of the pin shaft body, the right side in the oil storage cavity is in threaded connection with an early warning assembly, an oil filling hole is formed in the middle of the top of the pin shaft body, and the outer wall of the pin shaft body is uniformly provided with a movable groove, a slide block is arranged in the movable groove in a sliding manner, the bottom of the slide block and the inner part of the movable groove are fixedly connected with a third spring, and the top of the slide block is provided with a rotating groove, the inside of the rotating groove is rotatably connected with a steel ball, the bottom of the rotating groove is fixedly connected with an oil pipe, the bottom end of the oil pipe penetrates through the pin shaft body in a sliding mode and extends to the inside of the oil storage cavity, and a second pressure increasing plate is fixedly sleeved below the outer wall of the oil pipe.

The early warning subassembly includes the double-screw bolt, the regulation hole has all been seted up to double-screw bolt one end upper and lower position, the inside both sides of regulation hole difference first metal block of fixedly connected with and sliding connection have the second metal block, the fixed first spring that is provided with between second metal block lateral wall and the regulation hole lateral wall, the inside slip of regulation hole is provided with the push rod, push rod one end slides and runs through first metal block and the first pressure boost board of fixedly connected with, fixedly connected with second spring between first pressure boost board lateral wall and the double-screw bolt.

Furthermore, the bottom end of the oil filling hole is communicated with the inside of the oil storage cavity, and a sealing plug is connected to the inside of the oil filling hole in a threaded manner.

Furthermore, the inside fixed lithium cell that is provided with of baffle, the lithium cell passes through wire and first metal block and second metal block, early warning lamp electric connection.

Furthermore, the outer wall of the first pressurizing plate is fixedly sleeved with a sealing sleeve, and the sealing sleeve is arranged in the adjusting hole in a sliding mode.

Furthermore, an insulating layer is fixedly arranged between the first spring and the second metal block, and an insulating sleeve is fixedly sleeved on the outer wall of the push rod.

Furthermore, an external thread is arranged on the right side of the outer wall of the pin shaft body.

Advantageous effects

The utility model provides a novel leaf spring round pin axle. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a novel leaf spring round pin axle, through the fixed warning lamp that is provided with of baffle left side wall, the oil storage chamber has been seted up to the right-hand member of round pin axle body, the inside right side threaded connection in oil storage chamber has the early warning subassembly, round pin axle body top intermediate position has been seted up the oil filler point, and round pin axle body outer wall has evenly seted up the activity groove, the inside slip of activity inslot is provided with the slider, the slider bottom just is located the inside fixedly connected with third spring of activity inslot, and the slider top has seted up the rotation groove, it is connected with the steel ball to rotate the rotation inslot portion, and the rotation groove bottom fixedly connected with oil pipe, the oil pipe bottom slides and runs through round pin axle body and extends to the oil storage intracavity portion, and the fixed cover in oil pipe outer wall below is equipped with the second pressure boost plate. Set up a plurality of rollable steel balls at round pin axle body outer wall, reducible contact surface's friction between the two after round pin axle body and leaf spring connect, in the extrusion process of contact surface moreover, inside the lubricating oil in the oil storage chamber can be extruded into the rotation inslot through oil pipe, form the oil film on the steel ball surface, improve the lubricated effect between round pin axle and the leaf spring to the third spring that sets up between slider and the movable groove can play the cushioning effect when the steel ball pressurized.

2. The utility model provides a novel leaf spring round pin axle, the regulation hole has all been seted up through double-screw bolt one end upper and lower position, and the inside both sides of regulation hole are the first metal block of fixedly connected with and sliding connection has the second metal block respectively, and fixed being provided with first spring between second metal block lateral wall and the regulation hole lateral wall, and the inside slip of regulation hole is provided with the push rod, and push rod one end slides and runs through first metal block and the first pressure boost plate of fixedly connected with, fixedly connected with second spring between first pressure boost plate lateral wall and the double-screw bolt. First pressure boost board receives second spring elastic force effect to lubricating oil production extrusion thrust in the oil storage chamber, guarantee that lubricating oil can pass through oil pipe entering smoothly and rotate in the groove, and the second spring can gradually move to the left along with the reduction of lubricating oil, make oil pressure be in higher state in the oil storage chamber all the time, and lubricating oil is less than a definite value back in the oil storage chamber, first metal sheet and the contact of second metal sheet, warning lamp place circuit is switched on, remind the staff that the oil storage chamber oil mass is not enough, avoid lubricated bad condition.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the early warning module of the present invention;

fig. 4 is an enlarged schematic structural diagram of part B of the present invention.

In the figure: 1. a pin shaft body; 2. a baffle plate; 3. a first seal ring; 4. a second seal ring; 5. an early warning light; 6. an oil storage chamber; 7. an early warning component; 71. a stud; 72. an adjustment hole; 73. a first metal block; 74. a second metal block; 75. a first spring; 76. a push rod; 77. a first pressure increasing plate; 78. a second spring; 8. an oil filler hole; 9. a movable groove; 10. a slider; 11. a third spring; 12. steel balls; 13. an oil pipe; 14. a second plenum plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel steel plate spring pin shaft comprises a pin shaft body 1, a baffle plate 2 fixedly connected to the left end of the pin shaft body 1, and a second sealing ring 4 fixedly sleeved on the left side and the right side of the outer wall of the pin shaft body 1, a first sealing ring 3, a warning lamp 5 fixedly arranged on the left side wall of the baffle plate 2, an oil storage cavity 6 arranged at the right end of the pin shaft body 1, an early warning assembly 7 in threaded connection with the right side in the oil storage cavity 6, an oil filling hole 8 arranged at the middle position of the top of the pin shaft body 1, a movable groove 9 uniformly arranged on the outer wall of the pin shaft body 1, a slide block 10 arranged in the movable groove 9 in a sliding manner, a third spring 11 fixedly connected to the bottom of the slide block 10 and positioned in the movable groove 9, a rotating groove arranged at the top of the slide block 10, a steel ball 12 rotatably connected to the inside of the rotating groove, an oil pipe 13 fixedly connected to the bottom of the rotating groove, the oil pipe 13 slidably penetrates through the pin shaft body 1 and extends to the inside of the oil storage cavity 6, and fixed cover below the outer wall of oil pipe 13 is equipped with second pressure boost plate 14, early warning subassembly 7 includes double-screw bolt 71, adjusting hole 72 has all been seted up to double-screw bolt 71 one end upper and lower position, adjusting hole 72 inside both sides respectively fixedly connected with first metal block 73 and sliding connection have second metal block 74, fixedly provided with first spring 75 between second metal block 74 a lateral wall and the adjusting hole 72 lateral wall, adjusting hole 72 inside slides and is provided with push rod 76, first metal block 73 and fixedly connected with first pressure boost plate 77 are run through in the slip of push rod 76 one end, fixedly connected with second spring 78 between a first pressure boost plate 77 a lateral wall and the double-screw bolt 71. The bottom end of the oil filling hole 8 is communicated with the interior of the oil storage cavity 6, and the interior of the oil filling hole 8 is connected with a sealing plug through threads. The baffle 2 is internally and fixedly provided with a lithium battery which is electrically connected with the first metal block 73, the second metal block 74 and the early warning lamp 5 through a lead. The fixed cover of first pressure boost plate 77 outer wall is equipped with the seal cover, and the seal cover slides and sets up inside regulation hole 72. An insulating layer is fixedly arranged between the first spring 75 and the second metal block 74, and an insulating sleeve is fixedly sleeved on the outer wall of the push rod 76. The right side of the outer wall of the pin shaft body 1 is provided with an external thread.

When the early warning device is used, firstly, the early warning component 7 and the sealing plug in the oil filling hole 8 are dismounted, the right end of the pin shaft body 1, namely the mounting end of the early warning component 7, is in a vertically upward state, then lubricating oil is filled into the oil storage cavity 6 through the oil filling hole 8, the amount of the lubricating oil is kept to be ninety percent of the volume of the oil storage cavity 6, after the lubricating oil is filled, the sealing plug in the oil filling hole 8 is screwed and sealed, then the early warning component 7 is inserted into the oil storage cavity 6, and the early warning component 7 is screwed by means of a wrench and other tools, because of the effect of internal oil pressure and air pressure, the second spring 78 is gradually compressed in the process of gradually screwing the stud 71, the oil pressure in the oil storage cavity 6 is increased, and because the sealing sleeve is arranged on the outer wall of the first pressurizing plate 77, the situation that the oil leaks out can not occur in the process of sliding the first pressurizing plate 77 into the oil storage cavity 6, and the oil enters the rotating groove through the oil pipe 13, along with the rotation of steel ball coating on its surface, when the inside fluid of oil storage chamber 6 reduces gradually and reduce to first spring 75 and be in the spontaneous combustion elongation state, push rod 76 moves to first metal block 73 left side, and second metal block 74 receives first spring 75 effect and first metal block 73 contact, and early warning lamp 5 and lithium cell, first metal block 73, the circuit at second metal block 74 are switched on, and the early warning lamp lights the suggestion staff in time to add lubricating oil.

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 novel leaf spring round pin axle, includes that round pin axle body (1) and fixed connection establish second sealing washer (4), first sealing washer (3) in round pin axle body (1) outer wall left and right sides at baffle (2) and the fixed cover of round pin axle body (1) left end, its characterized in that: an early warning lamp (5) is fixedly arranged on the left side wall of the baffle plate (2), an oil storage cavity (6) is arranged at the right end of the pin shaft body (1), the right side inside the oil storage cavity (6) is in threaded connection with an early warning assembly (7), an oil filling hole (8) is formed in the middle of the top of the pin shaft body (1), and the outer wall of the pin shaft body (1) is uniformly provided with a movable groove (9), a slide block (10) is arranged in the movable groove (9) in a sliding way, a third spring (11) is fixedly connected at the bottom of the sliding block (10) and positioned in the movable groove (9), and the top of the sliding block (10) is provided with a rotating groove, the inside of the rotating groove is rotatably connected with a steel ball (12), an oil pipe (13) is fixedly connected to the bottom of the rotating groove, the bottom end of the oil pipe (13) penetrates through the pin shaft body (1) in a sliding manner and extends into the oil storage cavity (6), a second pressure increasing plate (14) is fixedly sleeved below the outer wall of the oil pipe (13);

early warning subassembly (7) include double-screw bolt (71), regulation hole (72) have all been seted up to double-screw bolt (71) one end upper and lower position, the inside both sides of regulation hole (72) are the first metal block of fixedly connected with (73) and sliding connection have second metal block (74) respectively, it is fixed between second metal block (74) a lateral wall and regulation hole (72) lateral wall to be provided with first spring (75), the inside slip of regulation hole (72) is provided with push rod (76), push rod (76) one end slides and runs through first metal block (73) and the first pressure boost plate of fixedly connected with (77), fixedly connected with second spring (78) between first pressure boost plate (77) a lateral wall and double-screw bolt (71).

2. The novel leaf spring pin of claim 1, wherein: the bottom end of the oil filling hole (8) is communicated with the inside of the oil storage cavity (6), and the inner part of the oil filling hole (8) is in threaded connection with a sealing plug.

3. The novel leaf spring pin of claim 1, wherein: the lithium battery is fixedly arranged inside the baffle (2) and is electrically connected with the first metal block (73), the second metal block (74) and the early warning lamp (5) through a lead.

4. The novel leaf spring pin of claim 1, wherein: the outer wall of the first pressurizing plate (77) is fixedly sleeved with a sealing sleeve, and the sealing sleeve is arranged in the adjusting hole (72) in a sliding mode.

5. The novel leaf spring pin of claim 1, wherein: an insulating layer is fixedly arranged between the first spring (75) and the second metal block (74), and an insulating sleeve is fixedly sleeved on the outer wall of the push rod (76).

6. The novel leaf spring pin of claim 1, wherein: and the right side of the outer wall of the pin shaft body (1) is provided with an external thread.