CN211951277U

CN211951277U - Automatic clearance regulator for automobile braking system

Info

Publication number: CN211951277U
Application number: CN202020541695.5U
Authority: CN
Inventors: 王京增
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-17
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a clearance automatic regulator for on automobile brake system, including casing and fixing bolt, the inboard both ends department of casing installs the worm, wherein, the middle part of fixing base bottom is provided with the connecting pipe, the inside of connecting pipe stretches out and is connected with the push rod, the outside of push rod is provided with return spring, the thread groove has been seted up to the bottom of push rod, the one end that the push rod is close to the thread groove is provided with the holder, the draw-in groove has been seted up to the edge on holder top, the draw-in groove is connected with return spring's one end, fixing bolt runs through the holder and is connected with the thread groove. This clearance automatic regulator for on automobile brake system, it is fixed to run through the thread groove of holder and push rod bottom with fixing bolt for the holder presss from both sides tightly return spring, and uses screw through connection cap and fixing bolt to carry out vertical fixation, thereby conveniently changes the installation to this clearance automatic regulator's return spring.

Description

Automatic clearance regulator for automobile braking system

Technical Field

The utility model relates to an automobile brake technical field specifically is a clearance automatic regulator for on automobile brake system.

Background

The application of automatic lash adjusters to automobile brake systems has been widely used, and the automatic lash adjusters are now used as standard configurations of entire automobiles in the field of automobile manufacturing. When the clearance automatic regulator on the existing automobile brake system is assembled and used, the problems that the assembly and disassembly of components such as a return spring are troublesome and the like still exist, therefore, the use efficiency of the clearance automatic regulator on the automobile brake system can be improved by innovating the clearance automatic regulator on the automobile brake system, the components are prevented from falling off, the maximum value is exerted, along with the development of science and technology, the clearance automatic regulator used on the automobile brake system has the development of a great degree, the development of the clearance automatic regulator brings great convenience to people when the automobile is braked during running, and the type and the number of the clearance automatic regulator are increased day by day.

The automatic slack adjusters currently on the market, which are used in automobile brake systems, have disadvantages, although the types and the number thereof are very large: the return spring of the automatic clearance adjuster on the automobile braking system is easy to loosen and fall off when in use, and the return spring of the automatic clearance adjuster on the automobile braking system is inconvenient to replace and install and the lubricating nipple dustproof bolt of the automatic clearance adjuster on the automobile braking system is easy to shake and fall off. Therefore, improvements are needed in the automatic lash adjusters used in the brake systems of automobiles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used in clearance automatic regulator on car braking system to solve the return spring of the clearance automatic regulator on the automobile braking system on the existing market that above-mentioned background art provided and become flexible when using easily and drop, the return spring of the clearance automatic regulator on the car braking system is not convenient for change the installation and the automobile braking system on the glib dust bolt of clearance automatic regulator receive the problem that vibrations lead to droing easily.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic gap regulator used on an automobile braking system comprises a shell and a fixing bolt, wherein worms are arranged at two ends of the inner side of the shell, a fixing seat is arranged at the bottom end of the shell, wherein,

the middle part of the bottom end of the fixed seat is provided with a connecting pipe, a push rod extends out of the connecting pipe and is connected with the connecting pipe, a return spring is arranged on the outer side of the push rod, a threaded groove is formed in the bottom end of the push rod, a clamping seat is arranged at one end, close to the threaded groove, of the push rod, a clamping groove is formed in the edge of the top end of the clamping seat and is connected with one end of the return spring, and the fixing bolt penetrates through the clamping seat and is connected with the threaded;

the connecting structure is characterized in that a connecting cap is arranged on the outer side of the fixing bolt, a connecting groove is formed in the connecting cap, the connecting groove is in butt joint with the fixing bolt, a screw is connected with the connecting cap in a penetrating mode with the inside of the fixing bolt, an oil filling pipe is arranged on one side surface of the shell, a sleeve is arranged inside the oil filling pipe, a locking spring is connected between the oil filling pipe and the sleeve in a sleeved mode, and the inner side of the oil filling pipe is connected with a dustproof bolt.

Preferably, the diameter of holder is greater than return spring's diameter, and the cross sectional shape of holder edge draw-in groove is "C" style of calligraphy to the cross sectional dimension of holder edge draw-in groove and return spring's cross sectional dimension phase-match, the holder passes through to constitute the block structure between draw-in groove and the return spring moreover.

Preferably, the fixing bolt is in a T shape, the cross-sectional dimension of one end of the fixing bolt is matched with the cross-sectional dimension of the thread groove, and a threaded connection is formed between the fixing bolt and the thread groove.

Preferably, the cross-sectional dimension of the connecting cap is matched with the cross-sectional dimension of the push rod, and the size of the connecting groove in the connecting cap is matched with the size of one end of the fixing bolt.

Preferably, the diameter of the screw is smaller than that of the fixing bolt, and the axial lead of the screw and the axial lead of the fixing bolt are vertically distributed.

Preferably, the diameter of the anti-loosening spring is matched with the diameter of the outer side of the sleeve, and the anti-loosening spring forms a telescopic structure with the sleeve through the dustproof bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) according to the automatic gap adjuster used on the automobile brake system, the return spring is sleeved into the push rod, the push rod is inserted into the connecting pipe, and the C-shaped clamping groove at the edge of the clamping seat and the return spring are clamped, so that the clamping seat can limit the return spring to move, and the return spring is effectively prevented from being separated from the relative position of the push rod when moving;

(2) the automatic clearance adjuster for the automobile brake system is characterized in that a fixing bolt penetrates through a clamping seat and a thread groove at the bottom end of a push rod to be in butt joint and fixed, so that the clamping seat clamps a return spring, and a screw penetrates through a connecting cap and the fixing bolt to be vertically fixed, so that the return spring of the automatic clearance adjuster can be conveniently replaced and installed;

(3) this clearance automatic regulator for on automobile braking system adds inside the casing through the inside sleeve pipe of refuelling pipe with lubricating oil to screw up dustproof bolt in one side of refuelling pipe, make dustproof bolt extrude locking spring in refuelling pipe, thereby make this clearance automatic regulator avoid dropping of dustproof bolt when receiving vibrations for a long time.

Drawings

FIG. 1 is a schematic view of a front view of an automatic gap adjuster for use in an automotive braking system according to the present invention;

FIG. 2 is a schematic cross-sectional view of the automatic gap adjuster for use in an automotive brake system according to the present invention;

FIG. 3 is a schematic diagram of a right-view structure of an automatic gap adjuster for use in an automotive braking system according to the present invention;

FIG. 4 is a schematic view of the automatic gap adjuster of the present invention shown in FIG. 2, which is an enlarged view of part A;

fig. 5 is a schematic diagram of a part enlarged structure at B in fig. 3 of the automatic lash adjuster for an automobile braking system according to the present invention.

In the figure: 1. a housing; 2. a worm; 3. a fixed seat; 4. a connecting pipe; 5. a push rod; 6. a return spring; 7. a thread groove; 8. a holder; 9. a card slot; 10. fixing the bolt; 11. a connecting cap; 12. connecting grooves; 13. a screw; 14. an oil filler tube; 15. a sleeve; 16. a locking spring; 17. and (4) a dustproof bolt.

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: an automatic clearance adjuster for an automobile brake system comprises a shell 1, a worm 2, a fixed seat 3, a connecting pipe 4, a push rod 5, a return spring 6, a thread groove 7, a clamping seat 8, a clamping groove 9, a fixing bolt 10, a connecting cap 11, a connecting groove 12, a screw 13, an oil filling pipe 14, a sleeve 15, a locking spring 16 and a dustproof bolt 17, wherein the worm 2 is installed at two ends of the inner side of the shell 1, the fixed seat 3 is arranged at the bottom end of the shell 1,

the middle part of the bottom end of the fixed seat 3 is provided with a connecting pipe 4, the inside of the connecting pipe 4 extends and is connected with a push rod 5, the outer side of the push rod 5 is provided with a return spring 6, the bottom end of the push rod 5 is provided with a thread groove 7, one end of the push rod 5 close to the thread groove 7 is provided with a clamping seat 8, the diameter of the clamping seat 8 is larger than that of the return spring 6, the cross section shape of a clamping groove 9 at the edge of the clamping seat 8 is C-shaped, the cross section size of the clamping groove 9 at the edge of the clamping seat 8 is matched with that of the return spring 6, the clamping seat 8 forms a clamping structure through the clamping groove 9 and the return spring 6, the clamping seat 8 can stably install the return spring 6 through the clamping groove 9 by utilizing the clamping structure formed through the clamping groove 9 and the return spring 6, and the return spring 6 is prevented, a clamping groove 9 is formed in the edge of the top end of the clamping seat 8, the clamping groove 9 is connected with one end of the return spring 6, the fixing bolt 10 penetrates through the clamping seat 8 to be connected with the threaded groove 7, the fixing bolt 10 is T-shaped, the cross section size of one end of the fixing bolt 10 is matched with that of the threaded groove 7, threaded connection is formed between the fixing bolt 10 and the threaded groove 7, and the fixing bolt 10 is T-shaped, so that the fixing bolt 10 is fixedly connected to one end of the push rod 5 and can drive the clamping seat 8 to clamp;

the outside of fixing bolt 10 is provided with connecting cap 11, the cross sectional dimension of connecting cap 11 and the cross sectional dimension phase-match of push rod 5, and the size of connecting cap 11 inside spread groove 12 and the size phase-match of fixing bolt 10 one end, set up the size of connecting cap 11 inside spread groove 12 and the size phase-match of fixing bolt 10 one end, thereby guarantee the stability of being connected between connecting cap 11 and fixing bolt 10, avoid connecting cap 11 and fixing bolt 10 to be connected not hard up, connecting cap 11's inside has seted up spread groove 12, spread groove 12 docks with fixing bolt 10, connecting cap 11 and fixing bolt 10's inside through connection has screw 13, the diameter of screw 13 is less than fixing bolt 10's diameter, and is vertical distribution between the axial lead of screw 13 and fixing bolt 10's axial lead, is vertical distribution between the axial lead of setting screw 13 and the axial lead of fixing bolt 10, make screw 13 to press from both sides between fixing bolt 10 and the connection cap 11 and press from both sides tightly fixedly to make connection cap 11 seal the protection to this assembled position, one side surface department of casing 1 is provided with adds oil pipe 14, the inside that adds oil pipe 14 is provided with sleeve pipe 15, it has locking spring 16 to cup joint between adding oil pipe 14 and the sleeve pipe 15, the diameter phase-match in the diameter of locking spring 16 and the sleeve pipe 15 outside, and locking spring 16 constitutes extending structure through between dustproof bolt 17 and the sleeve pipe 15, utilizes the extending structure that locking spring 16 constitutes through between dustproof bolt 17 and the sleeve pipe 15 for locking spring 16 extrudes dustproof bolt 17, can avoid the not hard up of dustproof bolt 17 to drop when making dustproof bolt 17 tighten and get into adding oil pipe 14, it is connected with dustproof bolt 17 to add the inboard of oil pipe 14.

The working principle is as follows: when the automatic gap adjuster used on the automobile brake system is used, firstly, when the return spring 6 of the automatic gap adjuster needs to be replaced and installed, the sleeve of the return spring 6 is sleeved into the push rod 5, the push rod 5 is inserted into the connecting pipe 4, then the C-shaped clamping groove 9 at the edge of the clamping seat 8 and the return spring 6 are clamped, so that the clamping seat 8 limits the return spring 6 to move, the relative position of the return spring 6 and the push rod 5 is avoided when the return spring moves, then the fixing bolt 10 penetrates through the clamping seat 8 and the thread groove 7 at the bottom end of the push rod 5 to be butted and fixed, the connecting cap 11 is butted with one end of the fixing bolt 10 through the connecting groove 12, and the screw 13 penetrates through the connecting cap 11 and the fixing bolt 10 to be vertically fixed, so that the replaced return spring 6 and push rod 5 assembly is fixed, when the automatic gap adjuster is installed and used, lubricating oil is fed into the interior of the housing 1 through the sleeve 15 inside the filler pipe 14, and the dust-proof bolt 17 is tightened on one side of the filler pipe 14 so that the dust-proof bolt 17 presses the check spring 16 in the filler pipe 14, so that the automatic lash adjuster prevents the dust-proof bolt 17 from falling off when subjected to a shock for a long period of time, which is well known to those skilled in the art and not described in detail in this specification.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An automatic slack adjuster for a vehicle brake system, comprising a housing (1) and a fixing bolt (10), characterized in that: the worm (2) is arranged at the two ends of the inner side of the shell (1), the fixed seat (3) is arranged at the bottom end of the shell (1), wherein,

the middle of the bottom end of the fixed seat (3) is provided with a connecting pipe (4), a push rod (5) extends out of the connecting pipe (4) and is connected with the connecting pipe, a return spring (6) is arranged on the outer side of the push rod (5), a thread groove (7) is formed in the bottom end of the push rod (5), a clamping seat (8) is arranged at one end, close to the thread groove (7), of the push rod (5), a clamping groove (9) is formed in the edge of the top end of the clamping seat (8), the clamping groove (9) is connected with one end of the return spring (6), and the fixing bolt (10) penetrates through the clamping seat (8) and is connected with the thread groove (;

the outer side of fixing bolt (10) is provided with connects cap (11), connecting groove (12) have been seted up to the inside of connecting cap (11), connecting groove (12) dock with fixing bolt (10), the inside through connection who connects cap (11) and fixing bolt (10) has screw (13), a side surface department of casing (1) is provided with adds oil pipe (14), the inside that adds oil pipe (14) is provided with sleeve pipe (15), it is connected with locking spring (16) to cup joint between oil pipe (14) and sleeve pipe (15), the inboard and the dust bolt (17) of adding oil pipe (14) are connected.

2. An automatic lash adjuster for use in an automotive brake system according to claim 1, wherein: the diameter of holder (8) is greater than return spring (6)'s diameter, and the cross sectional shape of holder (8) edge draw-in groove (9) is "C" style of calligraphy to the cross sectional dimension of holder (8) edge draw-in groove (9) and return spring (6) cross sectional dimension phase-match, constitute the block structure moreover between holder (8) through draw-in groove (9) and return spring (6).

3. An automatic lash adjuster for use in an automotive brake system according to claim 1, wherein: the fixing bolt (10) is T-shaped, the section size of one end of the fixing bolt (10) is matched with the section size of the thread groove (7), and the fixing bolt (10) is in threaded connection with the thread groove (7).

4. An automatic lash adjuster for use in an automotive brake system according to claim 1, wherein: the cross-sectional dimension of the connecting cap (11) is matched with that of the push rod (5), and the size of the connecting groove (12) in the connecting cap (11) is matched with that of one end of the fixing bolt (10).

5. An automatic lash adjuster for use in an automotive brake system according to claim 1, wherein: the diameter of the screw (13) is smaller than that of the fixing bolt (10), and the axial lead of the screw (13) and the axial lead of the fixing bolt (10) are vertically distributed.

6. An automatic lash adjuster for use in an automotive brake system according to claim 1, wherein: the diameter of the anti-loosening spring (16) is matched with the diameter of the outer side of the sleeve (15), and the anti-loosening spring (16) forms a telescopic structure with the sleeve (15) through the dustproof bolt (17).