CN219734040U

CN219734040U - Double-oil-hole lubrication type adjusting arm

Info

Publication number: CN219734040U
Application number: CN202321366315.9U
Authority: CN
Inventors: 宋伟定; 马文朋
Original assignee: Zhuji Songsheng Machinery Co ltd
Current assignee: Zhuji Songsheng Machinery Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-22
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a double-oil-hole lubrication type adjusting arm, which comprises an adjusting arm, wherein the adjusting arm is provided with a worm groove, a fixing groove is formed in the adjusting arm, one side of the adjusting arm is provided with a mounting groove in a penetrating way, the fixing groove and the mounting groove are arranged in a penetrating way with the worm groove, an adjusting shaft is arranged in the mounting groove in a penetrating way, a lubrication assembly is arranged on the adjusting shaft, the lubrication assembly comprises an oil inlet hole formed in a hexagon head, the side surface of the adjusting shaft is provided with an oil outlet hole, the oil outlet hole is positioned at the anti-rotation assembly, the oil outlet hole is arranged in a penetrating way with the oil inlet hole, and an oil nozzle is spirally arranged on the oil inlet hole, and the double-oil-hole lubrication type adjusting arm has the advantages that: through having set up lubrication assembly for no matter how the external environment changes, its inside all has grease to lubricate all the time, makes the adjustment more convenient, can not appear working under the oilless state, thereby has prolonged the life of part.

Description

Double-oil-hole lubrication type adjusting arm

Technical Field

The utility model belongs to the technical field of automobile parts, and particularly relates to a double-oil-hole lubrication type adjusting arm.

Background

During the use process of the automobile, the frequent braking can lead to the abrasion of a braking element, the increase of the clearance between the brake drum and the brake lining to different degrees, the lengthening of the pedal stroke, the decrease of the thrust of a brake chamber, the braking hysteresis, the braking force reduction and the like.

In order to ensure the running safety of the vehicle, maintain the relative stability of the pedal stroke and the working balance among the brakes, the braking clearance needs to be adjusted to achieve the functions of adjusting and controlling the braking function and the sensitivity, so that the braking adjusting arm is required to drive the worm wheel shaft to adjust the clearance between the brake drum and the brake lining, and therefore, the braking adjusting arm is an important component in a braking system.

The adjusting shaft is used for adjusting parts on the adjusting arm, the adjusting arm is used for driving the worm sleeved on the adjusting shaft to rotate through rotating the adjusting shaft, the worm wheel of the adjusting arm is driven to rotate through meshing of the worm and the worm wheel, and therefore the worm wheel shaft is driven to rotate, the aim of adjusting a gap between a brake drum and a brake lining of a friction pair element of an automobile brake is achieved, at present, the adjusting shaft is limited by an anti-rotation component to prevent the adjusting shaft from rotating after the adjustment is finished, but the anti-rotation component only adds a bit of oil during assembly, the oil is dried after a period of time, and although the outer side face of the adjusting arm is also provided with an oil hole, the oil hole only lubricates a contact surface of the worm and the worm wheel, and cannot lubricate the anti-rotation component, so that the anti-rotation component is easy to rust because a lubricating device is not arranged, the anti-rotation component is in an oil-free state, the anti-rotation component is easy to work, the situation of biting easily occurs because of oil is easy, and friction is large when the anti-rotation component rotates, and the service life of the part is not long.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a lubricated type adjusting arm of two oilholes, includes the adjusting arm, the worm groove has been seted up to the adjusting arm, the fixed slot has been seted up in the adjusting arm, the mounting groove has been seted up to one side of adjusting arm, fixed slot and mounting groove link up the setting with the worm groove, wear to be equipped with the adjustment axle in the mounting groove, the one end of adjustment axle passes the worm groove and stretches into the fixed slot, its characterized in that: the oil inlet device comprises an adjusting arm, and is characterized in that a fixing component is arranged on the adjusting arm, one end of the adjusting shaft extending into the fixing groove is fixed, a hexagon head is fixedly arranged at the other end of the adjusting shaft, the hexagon head is located on the outer side of the adjusting arm, an anti-rotation component is arranged on the adjusting shaft, a lubrication component is arranged on the adjusting shaft, the lubrication component comprises an oil inlet hole arranged on the hexagon head, an oil outlet hole is arranged on the side face of the adjusting shaft, the oil outlet hole is located at the anti-rotation component, the oil outlet hole is communicated with the oil inlet hole, and an oil nozzle is spirally arranged on the oil inlet hole.

As a further improvement of the utility model: the anti-rotation assembly comprises a fixing plate sleeved on the adjusting shaft, a left rotation block fixedly arranged on the fixing plate and a right rotation block sleeved on the adjusting shaft, the left rotation block is located in the mounting groove, the right rotation block is located on the right side of the left rotation block, the oil outlet is located at the contact position of the left rotation block and the right rotation block, two sides of the fixing plate are in abutting arrangement with the sides of the hexagon head and the adjusting arm, the fixing plate is sleeved on the adjusting shaft through the positioning assembly, a tooth groove which is in a wave shape is formed in the left rotation block, a tooth block matched with the tooth groove is arranged on the right rotation block, the right end of the right rotation block is fixedly connected with the adjusting arm through an elastic assembly, and the right rotation block is movably arranged in the mounting groove left and right through the movable assembly.

As a further improvement of the utility model: the movable assembly comprises a guide block fixedly arranged on the outer surface of the right rotating block, a guide groove used for the movement of the guide block is horizontally arranged in the adjusting arm, the guide groove is communicated with the mounting groove, the right rotating block is movably arranged in the mounting groove through the matching of the guide block and the guide groove, and two side surfaces of the guide block are in abutting arrangement with two side surfaces of the guide groove.

As a further improvement of the utility model: the positioning assembly comprises a positioning block which is fixedly arranged on the adjusting shaft and fixedly connected with the hexagon head, a positioning groove matched with the positioning block is formed in the fixing plate, and the positioning block is positioned in the positioning groove.

As a further improvement of the utility model: the elastic component is including fixed the setting keeps off the ring in the mounting groove, keep off the right side that the ring is located the right-hand member piece, be equipped with the spring between the right side that keeps off ring and right-hand member piece, the both ends of spring conflict setting with keeping off ring and right-hand member piece.

As a further improvement of the utility model: the fixing assembly comprises a pin hole formed in the adjusting arm, the pin hole is communicated with the fixing groove, an arc groove is formed in the outer surface of one side of the adjusting shaft, which is located in the fixing groove, a positioning pin is arranged in the pin hole, and one end of the positioning pin is located in the arc groove.

As a further improvement of the utility model: two symmetrically arranged matching surfaces are arranged on the outer surface of the adjusting shaft.

The utility model has the beneficial effects that: through having set up lubrication assembly for no matter how the external environment changes, its inside all has grease to lubricate all the time, makes the adjustment more convenient, can not appear working under the oilless state, thereby has prolonged the life of part.

Drawings

FIG. 1 is a construction diagram of the present utility model;

FIG. 2 is a cross-sectional view of the construction of the present utility model;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

FIG. 4 is an enlarged schematic view of B in FIG. 2;

FIG. 5 is a cross-sectional configuration of the adjustment arm;

FIG. 6 is a construction view of the adjustment shaft;

FIG. 7 is a construction view of the adjustment shaft separated from the components;

FIG. 8 is a rear side elevational view of the adjustment shaft shown separated from the components;

reference numerals illustrate: 1. the hydraulic oil pump comprises an adjusting arm, a worm groove, a fixing groove, a mounting groove, a adjusting shaft, a hexagon head, an oil inlet, an oil outlet, an oil nozzle, a fixing plate, a left rotating block, a right rotating block, a tooth groove, a guide block, a guide groove, a locating block, a locating groove, a retaining ring, a spring, a pin hole, a circular arc groove, a locating pin and a matching surface.

Detailed Description

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.

Referring to fig. 1-8, a double oil hole lubrication type adjusting arm of this example, including adjusting arm 1, worm groove 2 has been seted up to adjusting arm 1, fixed slot 3 has been seted up in the adjusting arm 1, mounting groove 4 has been seted up in link up to one side of adjusting arm 1, fixed slot 3 and mounting groove 4 link up the setting with worm groove 2, wear to be equipped with adjusting axle 5 in the mounting groove 4, the one end of adjusting axle 5 passes in worm groove 2 stretches into fixed slot 3, its characterized in that: the oil inlet device comprises an oil inlet hole 7 formed in the hexagonal head 6, an oil outlet hole 8 is formed in the side face of the adjusting shaft 5, the oil outlet hole 8 is located at the position of the anti-rotation component, the oil outlet hole 8 is communicated with the oil inlet hole 7, an oil nozzle 9 is arranged on the oil inlet hole 7 in a spiral mode, and the oil inlet device comprises the following working principles: since the worm groove 2 is arranged on the adjusting arm 1, the fixing groove 3 is arranged in the adjusting arm 1, the installation groove 4 is arranged on one side of the adjusting arm 1 in a penetrating way, the fixing groove 3 and the installation groove 4 are arranged on the other side of the adjusting arm 2 in a penetrating way, the adjusting shaft 5 is arranged in the installation groove 4 in a penetrating way, one end of the adjusting shaft 5 penetrates through the worm groove 2 and stretches into the fixing groove 3, the adjusting arm 1 is provided with a fixing component for fixing one end of the adjusting shaft 5 stretching into the fixing groove 3, the fixing component comprises a pin hole 20 arranged on the adjusting arm 1, the pin hole 20 is arranged on the other side of the adjusting shaft 5, which is communicated with the fixing groove 3, a circular arc groove 21 is arranged on the outer surface of one side of the adjusting shaft 5, a positioning pin 22 is arranged in the circular arc groove 21, the other end of the adjusting shaft 5 is fixedly provided with a hexagon head 6, the hexagon head 6 is arranged on the outer side of the adjusting arm 1, the adjusting shaft 5 is provided with an anti-rotation component, the anti-rotation component comprises a fixed plate 10 sleeved on the adjusting shaft 5, a left rotation block 11 fixedly arranged on the fixed plate 10 and a right rotation block 12 sleeved on the adjusting shaft 5, the left rotation block 11 is positioned in the mounting groove 4, the right rotation block 12 is positioned on the right side of the left rotation block 11, the oil outlet 8 is positioned at the contact position of the left rotation block 11 and the right rotation block 12, the two side surfaces of the fixed plate 10 are in abutting arrangement with the hexagonal head 6 and the side surface of the adjusting arm 1, the fixed plate 10 is sleeved on the adjusting shaft 5 through the positioning component, the positioning component comprises a positioning block 16 fixedly arranged on the adjusting arm 1 and fixedly connected with the hexagonal head 6, the fixed plate 10 is provided with a positioning groove 17 matched with the positioning block 16, the positioning block 16 is positioned in the positioning groove 17, the left rotation block 11 is provided with a wavy tooth slot 13, the right rotation block 12 is provided with a tooth block matched with the tooth slot 13, the right end of the right rotation block 12 is fixedly connected with the adjusting arm 1 through the elastic component, the elastic component comprises a baffle ring 18 fixedly arranged in the mounting groove 4, the baffle ring 18 is positioned on the right side of the right rotating block 12, a spring 19 is arranged between the baffle ring 18 and the right side of the right rotating block 12, two ends of the spring 19 are in abutting arrangement with the baffle ring 18 and the right rotating block 12, the right rotating block 12 is movably arranged in the mounting groove 4 left and right through a movable component, the movable component comprises a guide block 14 fixedly arranged on the outer surface of the right rotating block 12, a guide groove 15 for the guide block 14 to move is horizontally arranged in the adjusting arm 1, the guide groove 15 is communicated with the mounting groove 4, the right rotating block 12 is movably arranged in the mounting groove 4 left and right through the cooperation of the guide block 14 and the guide groove 15, two side surfaces of the guide block 14 are in abutting arrangement with two side surfaces of the guide groove 15, a lubrication component is arranged on the adjusting shaft 5, the lubrication component comprises an oil inlet 7 arranged on the hexagonal head 6, an oil outlet 8 is arranged on the side surface of the adjusting shaft 5, the oil outlet 8 is positioned in the mounting groove 4, the oil outlet 8 is communicated with the oil inlet 7, the oil inlet 7 is spirally provided with an oil nozzle 9, and the outer surface of the adjusting shaft 5 is provided with two symmetrically arranged matching surfaces 23, when the worm is required to be mounted and driven to work, the worm is firstly placed in the worm groove 2, then the spring 19 is placed in the fixing groove 3 to enable the spring 19 to be in contact with the baffle plate, the guide block 14 of the right rotating block 12 is placed in the guide groove 15 of the fixing groove 3 to enable the right rotating block 12 to be in contact with the spring 19, then the fixing plate 10 is mounted on the adjusting shaft 5 through the matching of the positioning block 16 and the positioning groove 17, then the adjusting shaft 5 is placed in the mounting groove 4 to enable the adjusting shaft 5 to sequentially penetrate through the right rotating block 12, the spring 19 and the baffle ring 18 and enter the worm groove 2, enter towards the inner hole of the worm and be matched with the inner hole of the worm through the matching surfaces 23, then continue to pack into adjustment axle 5 for in the circular arc groove 21 of the one end of adjustment axle 5 got into fixed slot 3, squeeze into locating pin 22 from pinhole 20 again, make locating pin 22 get into fixed slot 3 and lie in the circular arc groove 21 of adjustment axle 5, can prevent that adjustment axle 5 from rocking about, when need lubricate the contact surface of turning left piece and turning right piece, can add lubricating grease through the oil nozzle 9, make lubricating grease get into from oil inlet 7, flow out from oil outlet 8, because oil outlet 8 is located the contact department of turning left piece 11 and turning right piece 12 and lies in mounting groove 4, can lubricate the mating surface 23 between left turning piece 11, turning right piece 12, spring 19 and adjustment axle 5 and the worm through the lubricating assembly that has set up, make no matter how outside environment changes, its inside has grease to lubricate all the time, make the adjustment more convenient, work under the non-emergence oilless state, thereby prolonged the life of oilless part.

The utility model is further provided with: the anti-rotation component comprises a fixed plate 10 sleeved on the adjusting shaft 5, a left rotation block 11 fixedly arranged on the fixed plate 10 and a right rotation block 12 sleeved on the adjusting shaft 5, the left rotation block 11 is positioned in the mounting groove 4, the right rotation block 12 is positioned on the right side of the left rotation block 11, the oil outlet 8 is positioned at the contact position of the left rotation block 11 and the right rotation block 12, the two side surfaces of the fixed plate 10 are in abutting arrangement with the hexagonal head 6 and the side surfaces of the adjusting arm 1, the fixed plate 10 is sleeved on the adjusting shaft 5 through the positioning component, a wavy tooth slot 13 is formed on the left rotation block 11, a tooth block matched with the tooth slot 13 is arranged on the right rotation block 12, the right end of the right rotation block 12 is fixedly connected with the adjusting arm 1 through an elastic component, the right rotation block 12 is movably arranged in the mounting groove 4 left and right through a movable component, and when a worm is required to be driven to rotate for adjustment, the hexagonal head 6 can be screwed by a spanner, the hexagonal head 6 drives the adjusting shaft 5 to rotate, the adjusting shaft 5 drives the worm to rotate through the matching surface 23, the gap between the brake drum and the brake lining of the friction pair element of the automobile brake can be adjusted through the matching of the worm and the worm wheel, the anti-rotation component is arranged, when the hexagonal head 6 is screwed by applying force, the hexagonal head 6 drives the fixing plate 10 to rotate through the locating block 16, thereby driving the left rotation block 11 to rotate, the right rotation block 12 is extruded to the right through the wavy tooth slot 13 when the left rotation block 11 rotates, the spring 19 between the right rotation block 12 and the baffle is extruded, when the hexagonal head 6 is not screwed, the right rotation block 12 is extruded towards the left rotation block 11 through the resilience force of the spring 19, and the right rotation block 12 is movably arranged in the mounting groove 4 left and right through the matching of the guide block 14 and the guide groove 15, and the two sides of the guide block 14 are in conflict with the guide groove 15, so that the right turning block 12 can only move left and right but not rotate, and the rotation of the left turning block 11 can be limited through the cooperation limit of the wavy tooth slot 13 and the tooth block, after the adjustment is finished, the left turning block 11 can not rotate without large external force, and the stabilizing effect is achieved.

The utility model is further provided with: the movable assembly comprises a guide block 14 fixedly arranged on the outer surface of the right rotating block 12, a guide groove 15 used for the movement of the guide block 14 is horizontally arranged in the adjusting arm 1, the guide groove 15 is communicated with the mounting groove 4, the right rotating block 12 is movably arranged in the mounting groove 4 left and right through the matching of the guide block 14 and the guide groove 15, two side surfaces of the guide block 14 are in abutting arrangement with two side surfaces of the guide groove 15, and the movable assembly is arranged, so that the right rotating block 12 can only move left and right and cannot rotate, and the rotation of the left rotating block 11 is conveniently limited through the matching limit of the wavy tooth grooves 13.

The utility model is further provided with: the positioning assembly comprises a positioning block 16 fixedly arranged on the adjusting shaft 5 and fixedly connected with the hexagon head 6, a positioning groove 17 matched with the positioning block 16 is formed in the fixing plate 10, the positioning block 16 is located in the positioning groove 17, the fixing plate 10 is conveniently mounted on the adjusting shaft 5 through the positioning groove 17, and the fixing plate 10 can be driven to rotate when the adjusting shaft 5 rotates conveniently, so that the left rotating block 11 is driven to rotate.

The utility model is further provided with: the elastic component is including fixed the baffle ring 18 that sets up in mounting groove 4, baffle ring 18 is located the right side of turning right piece 12, be equipped with spring 19 between baffle ring 18 and the right side of turning right piece 12, the both ends of spring 19 contradict with baffle ring 18 and turning right piece 12 and set up, through having set up spring 19, when turning left piece 11 rotates, turning left piece 11 can extrude turning right piece 12 to the right side through wavy tooth's socket 13 for spring 19 between turning right piece 12 and the baffle is extruded, when not twisting hexagon head 6, turning right piece 12 can extrude towards turning left piece 11 through spring 19's resilience, can restrict the rotation of turning left piece 11 through the cooperation spacing of wave tooth's socket 13.

The utility model is further provided with: the fixed subassembly is including seting up the pinhole 20 on the adjustment arm 1, the pinhole 20 link up the setting with fixed slot 3, the circular arc groove 21 has been seted up to one side surface that adjustment shaft 5 is located fixed slot 3, be provided with locating pin 22 in the pinhole 20, the one end of locating pin 22 is located circular arc groove 21, through having set up locating pin 22, conveniently is fixed the one end that adjustment shaft 5 is located the constant head tank 17 for adjustment shaft 5 both can rotate and can not rock about.

The utility model is further provided with: two symmetrically arranged matching surfaces 23 are arranged on the outer surface of the adjusting shaft 5, and the matching surfaces 23 are arranged, so that the worm is conveniently driven to rotate through matching when the adjusting shaft 5 is penetrated into an inner hole of the worm.

The above description is merely of preferred embodiments of the present utility model, and the present utility model is not limited to the above embodiments, and any modifications, adaptations or equivalent substitutions made by those skilled in the art based on the above description fall within the scope of the present utility model.

Claims

1. The utility model provides a lubricated formula adjustment arm of two oilholes, including adjustment arm (1), worm groove (2) have been seted up to adjustment arm (1), fixed slot (3) have been seted up in adjustment arm (1), mounting groove (4) have been seted up to one side of adjustment arm (1), fixed slot (3) and mounting groove (4) link up with worm groove (2) and set up, wear to be equipped with adjustment axle (5) in mounting groove (4), in worm groove (2) are passed to one end of adjustment axle (5) stretches into fixed slot (3), its characterized in that: the novel oil-saving device is characterized in that a fixing component for fixing one end of the adjusting shaft (5) extending into the fixing groove (3) is arranged on the adjusting arm (1), a hexagonal head (6) is fixedly arranged at the other end of the adjusting shaft (5), the hexagonal head (6) is located on the outer side of the adjusting arm (1), an anti-rotation component is arranged on the adjusting shaft (5), a lubricating component is arranged on the adjusting shaft (5), the lubricating component comprises an oil inlet (7) arranged on the hexagonal head (6), an oil outlet (8) is arranged on the side face of the adjusting shaft (5), the oil outlet (8) is located at the anti-rotation component, the oil outlet (8) is communicated with the oil inlet (7), and an oil nozzle (9) is spirally arranged on the oil inlet (7).

2. The dual oil lubricated pilot arm according to claim 1, wherein: the anti-rotation assembly comprises a fixing plate (10) sleeved on the adjusting shaft (5), a left rotation block (11) fixedly arranged on the fixing plate (10) and a right rotation block (12) sleeved on the adjusting shaft (5), wherein the left rotation block (11) is positioned in the mounting groove (4), the right rotation block (12) is positioned on the right side of the left rotation block (11), the oil outlet (8) is positioned at the contact position of the left rotation block (11) and the right rotation block (12), two side surfaces of the fixing plate (10) are in abutting arrangement with the hexagonal head (6) and the side surface of the adjusting arm (1), the fixing plate (10) is sleeved on the adjusting shaft (5) through a positioning assembly, a tooth groove (13) which is in a wave shape is formed in the left rotation block (11), a tooth groove (13) which is matched with the right rotation block (12) is fixedly connected with the adjusting arm (1) through an elastic assembly, and the right rotation block (12) is movably arranged in the left groove (4) through the right rotation block.

3. The dual oil lubricated pilot arm according to claim 2, wherein: the movable assembly comprises a guide block (14) fixedly arranged on the outer surface of the right rotating block (12), a guide groove (15) used for the movement of the guide block (14) is horizontally formed in the adjusting arm (1), the guide groove (15) is communicated with the mounting groove (4), the right rotating block (12) is movably arranged in the mounting groove (4) left and right through the cooperation of the guide block (14) and the guide groove (15), and two side surfaces of the guide block (14) are in abutting arrangement with two side surfaces of the guide groove (15).

4. A dual oil lubricated pilot arm according to claim 3, wherein: the positioning assembly comprises a positioning block (16) fixedly arranged on the adjusting shaft (5) and fixedly connected with the hexagon head (6), a positioning groove (17) matched with the positioning block (16) is formed in the fixing plate (10), and the positioning block (16) is located in the positioning groove (17).

5. The dual oil lubricated pilot arm according to claim 4, wherein: the elastic component is including fixed setting up in mounting groove (4) keep off ring (18), keep off ring (18) are located the right side of turning right piece (12), be equipped with spring (19) between the right side of keeping off ring (18) and turning right piece (12), the both ends of spring (19) conflict setting with keep off ring (18) and turning right piece (12).

6. The dual oil lubricated pilot arm according to claim 5, wherein: the fixing assembly comprises a pin hole (20) formed in the adjusting arm (1), the pin hole (20) is communicated with the fixing groove (3), an arc groove (21) is formed in the outer surface of one side of the adjusting shaft (5) located in the fixing groove (3), a positioning pin (22) is arranged in the pin hole (20), and one end of the positioning pin (22) is located in the arc groove (21).

7. The dual oil lubricated adjustment arm according to claim 6, wherein: two symmetrically arranged matching surfaces (23) are arranged on the outer surface of the adjusting shaft (5).