TWI541110B - Wheel cylinder adjuster - Google Patents

Description

Brake pump regulator

The invention relates to a brake pump adjuster, in particular to a drive unit and a single pull unit, that is, can be used with different sizes of brake sub-pumps, and can stably fix the rotary unit of the pull unit.

According to the general diagram of the brake pump adjuster, please refer to the first figure and the Republic of China Patent Bulletin No. 392552, "Improved structure of the disc brake sub-pump adjuster", which mainly includes an axial joint for the brake sub-pump. The driving disc and the driving wrench connected to the rotating disc body are arranged to rotate, and the center of the disc surface of the pulling disc body is upwardly convexly arranged with a hollow cylindrical positioning shaft portion, and the outer diameter of the positioning shaft portion And corresponding to the inner diameter of the central valve port of the brake pump, the two ends of the diameter are respectively recessed with a pivot hole, and the end surface of the predetermined radius of the periphery is at least recessed with a positioning hole for the axis of a positioning column In the setting position, the axial end of the driving wrench has a driving disc, and a receiving recess is recessed in the center of the driving disc, and a strong magnet is fixed therein, and the peripheral portion of the receiving recess is pivotally connected with the pulling disc body. The hole position protrudes upwardly from two fixing protrusions for quick adsorption and connection of the pulling plate body, according to which the positioning shaft portion is correctly inserted into the center valve port of the brake cylinder, and is fixed by a predetermined relative positioning column. Stop the gap on the side of the pump and the pump The best convenience and firmness of the quick disassembly of the brake sub-pump is known. However, it is known that the brake sub-pump adjuster is provided in a tool box 1 in which two drive wrenches 10, 11 are to be prepared. And a plurality of differently sized pulling disc bodies 12 (as shown in the first figure), and it is customary to use a tool box 1 to hold the driving wrenches 10, 11 and a plurality of differently sized pulling disc bodies 12, the tools thereof The overall components are heavy, heavy, bulky, and inconvenient to carry.

The main object of the present invention is to provide an effective solution to the drawbacks of the conventional brake pump regulator when it is carried.

The brake pump adjuster of the present invention is provided with a pulling unit capable of axially engaging the brake cylinders of different sizes, and a driving unit connected to the pulling unit for rotating the shaft shifting operation, wherein the driving unit is The utility model is composed of a rod body, a positioning sleeve, a positioning baffle and a grip rod; wherein the pulling unit is composed of a rotating seat, a fixing seat, at least two positioning protrusions, an elastic ring, a limiting member and a buckle ring, a perforation is arranged in the middle of the rotating seat, and one side of the rotating seat is provided with a guiding groove formed by combining at least two semi-elliptical shapes, and the other side of the rotating seat is located The perforation is provided with two oppositely disposed grooves, one side of the groove is provided with a resisting surface, and the fixing seat is disposed on one side of the rotating seat, and one side of the fixing seat is provided with an alcove a convex body is disposed in an intermediate portion of the concave portion, and a ring groove is disposed on the outer wall surface of the convex body, wherein the convex body is provided with a polygonal insertion hole, and the fixed seat is provided with at least two-step sliding grooves, and the at least two positioning The protruding columns are respectively disposed in at least two-step chutes of the fixing seat, Each of the at least two positioning posts is provided with a retaining edge, and a guiding post is protruded from the outer side of the retaining edge, and the guiding post of the at least two positioning studs is oppositely disposed in the guiding groove of the rotating seat, and the elastic force is The ring sleeve is sleeved on the outer side of the at least two positioning protrusions and the protrusion of the fixing seat, and the limiting member is disposed on the other side of the rotating seat, and is sleeved on the convex body of the fixing seat. The limiting member is provided with a through hole, and a pair of opposite positioning protrusions are disposed on one side of the limiting member on the side of the through hole, and the positioning convex system is disposed in the groove of the rotating seat, and the buckle The ring system is fastened on the ring groove of the fixing seat.

In the brake pump adjuster of the present invention, an elastic gasket is disposed between the limiting member and the buckle, and the elastic gasket is elastically resisted on the limiting member, and the limiting member is pushed against Relying on the rotating seat.

In the brake pump adjuster of the present invention, the guide groove provided on one side of the rotary seat is combined by two semi-elliptical shapes to form an elliptical shape.

In the brake pump adjuster of the present invention, the guide groove provided on one side of the rotary seat is formed by combining three semi-ellipses.

The brake sub-pump adjuster of the invention has the advantages that the driving unit and the single pulling unit can be used for matching different sizes of the brake sub-pumps, and the swivel of the pulling unit can be rotated 360 degrees during the adjustment. Reciprocally adjusting the distance of at least two positioning protrusions, and stably fixing the rotating seat, thereby positioning at least two positioning protrusions, thereby making the operation more convenient, reducing manufacturing cost and purchasing cost, and being small in size and light in weight. Easy to carry and use.

For the purpose of the present invention, the preferred embodiments of the invention are as follows:

For the embodiment of the present invention, as shown in the second to the tenth drawings, the main part is provided with a pulling unit 2 (as shown in the second and third figures) which can be matched with the axial displacement of the brake cylinders of different sizes, and The driving unit 2 is connected to the driving unit 3 of the rotating shaft shifting operation (as shown in the fourth figure), wherein the pulling unit 2 is composed of a rotating base 20, a fixing base 21, two positioning protrusions 22, and an elastic force. The ring 23, a limiting member 24, an elastic spacer 25 and a buckle 26 are formed, and the outer circumferential surface of the rotating base 20 is provided with a non-slip pattern 200, and a hole 201 is formed in the middle of the rotating base 20, the rotation An elliptical guide groove 202 is disposed on a side of the through hole 201 on one side of the hole 20, and the opposite side of the through hole 201 is provided with two oppositely disposed grooves 203 on the other side of the through hole 201. One side is provided with a resisting surface 204, and the fixing base 21 is disposed on one side of the rotating base 20. One side of the fixing base 21 is provided with an alcove 210, and a central portion of the recess 210 is provided with a convex portion. The body 211 is provided with a ring groove 212 on the outer wall surface of the protrusion 211. The protrusion 211 is provided with a polygonal insertion hole 213, and the fixing seat 21 is provided. The second stepped chute 214 is connected to the polygonal insertion hole 213 , and the two positioning protrusions 22 are disposed on the rotating base 20 and the fixing base 21 . Each of the rings is provided with a rib 220, and a guide post 221 is formed on the outer side of the rib 220. The two locating posts 22 are respectively disposed in the second-order chute 214 of the fixing base 21, and the two positioning studs are respectively disposed. The other end of the guide post 221 is disposed in the guide groove 202 of the rotating base 20, and the elastic ring 23 is sleeved on the outer side of the two positioning protrusions 22 and the convex body 211 of the fixing seat 21, and The limiting member 24 is disposed on the other side of the rotating base 20. The limiting member 24 is provided with a through hole 240. One side of the limiting member 24 is disposed opposite to the through hole 240. The locating protrusions 241 are disposed on the other side of the locating member 24 at a position corresponding to the locating protrusions 241. The elastic shims 25 are disposed between the limiting member 24 and the buckle ring 26, The buckle ring 26 is fastened to the ring groove 212 of the fixing base 21; the driving unit 3 is composed of a rod body 30, a positioning sleeve 31, a positioning baffle 32 and a grip rod 33. among them An external thread 300 is disposed on a wall surface of the rod body 30. A positioning protrusion 301 is formed on one end of the rod body 30. The positioning protrusion 301 is configured to be embedded in the fixing base 21 of the pulling unit 2. In the polygonal insertion hole 213, the positioning protrusion 301 is provided with an elastically retractable positioning steel ball 302. One end of the rod body 30 is provided with a through hole 303, and the positioning sleeve 31 is screwed to the rod body of the driving unit 3. The external thread 300 of the 30 is provided with an internal thread 310 matched with the external thread 300 of the rod body 30. One end of the positioning sleeve 31 is provided with a retaining flange 311. The outer wall of the other end of the sleeve 31 is formed as a polygonal cut surface 312. The positioning baffle 32 is disposed on the positioning sleeve 31. The positioning baffle 32 is provided with a notch 320 through which a grip 33 is disposed. In the perforation 303 on the rod body 30, this is the structure of a brake pump regulator.

When assembling, please refer to the second to the tenth, firstly, one end of the two positioning protrusions 22 is respectively disposed in the second-order sliding groove 214 of the fixing seat 21, so that the blocking edge 220 of the two positioning protrusions 22 is positioned. In the stepped ring groove 214, the elastic ring 23 is sleeved on the outer side of the two positioning protrusions 22 and the convex body 211 of the fixing base 21 (as shown in FIG. 6 ), and the elastic ring 23 is located at the fixing seat. In the recess 210 of the 21 (as shown in FIG. 10), the rotating base 20 is placed on one side of the fixing base 21, so that the convex body 211 of the fixing base 21 is inserted through the through hole 201 of the rotating base 20, and The guide post 221 of the two positioning protrusions 22 disposed in the stepped sliding groove 214 of the fixing base 21 is disposed in the guiding groove 202 of the rotating base 20, and then the limiting member 24 is abutted against the other of the rotating base 20. On the side surface, the two positioning protrusions 241 of the limiting member 24 are respectively disposed in the two recesses 203 of the rotating base 20, and then the elastic spacer 25 is abutted against the other side of the limiting member 24, and is sleeved. On the convex body 211 of the fixing base 21, the buckle 26 is fastened on the annular groove 212 of the convex body 211 of the fixing base 21, so that the assembly of the pulling unit 2 can be completed; Set outside the rod 30 300, the positioning baffle 32 is placed under the positioning sleeve 31, and the grip 33 is inserted into the through hole 303 of the rod 30, so that the assembly of the driving unit 3 can be completed, and then the driving unit is completed. The positioning protrusion 301 of the rod 30 of the rod body 30 is inserted into the polygonal insertion hole 213 of the fixing base 21 of the clamping unit 2, and the positioning steel ball 302 on the rod body 30 elastically resists the polygonal insertion hole of the fixing seat 21. The inner wall surface of 213 (as shown in FIG. 11), so that the driving unit 3 can be firmly assembled with the pulling unit 2, and the assembly is very convenient and fast.

When in use, please refer to the fifth to twelfth drawings, only the rotating base 20 of the pulling unit 2 is first rotated, and the guiding post of the positioning boss 22 disposed in the elliptical guiding groove 202 on the rotating base 20 is used. 221 is moved along the guiding slot 202, so that when the rotating base 20 is rotated, the two positioning protrusions 22 can be moved relatively inward or outward along the second-order sliding slot 214 on the fixing base 21 (such as the sixth and seventh figures). As shown in the figure, the two positioning protrusions 22 are only linearly moved by the restriction of the second-order sliding groove 214 of the fixing seat 21, and the two positioning protrusions 22 can be rotated with the elastic force of the elastic ring 23 When the rotation of the second positioning protrusion 22 is relatively outwardly displaced along the guide groove 202 on the rotary seat 20, the elastic ring 23 is moved outward by the two positioning protrusions 22 to be elastically stretched. (As shown in the seventh figure), when the two positioning protrusions 22 are relatively moved inward along the guiding groove 202 on the rotating base 20, the elastic ring 23 elastically recovers and the two positioning protrusions 22 are inwardly abutted. Pushing the return (as shown in the sixth figure), the swivel 20 can be rotated 360 degrees to reciprocally adjust the distance between the two positioning bosses 22, so that it can cooperate with the valve port 40 of the brake cylinder 4 The size of the valve body 41 is different to adjust the distance between the two positioning protrusions 22 of the pulling unit 2, and after adjusting the distance between the two positioning protrusions 22 of the pulling unit 2, the limiting member 24 is rotated (such as the eighth, As shown in FIG. 9 , the positioning protrusion 241 of the limiting member 24 rotates away from the groove 203 of the rotating seat 20 and abuts against the abutting surface 204 of the rotating seat 20 , and is set by the elastic spacer 25 . The positioning member 24 can be further abutted against the rotating base 20, so that the rotating base 20 can be pushed against the positioning of the positioning protrusion 241 and the elastic spacer 25 of the limiting member 24. Closely abutting on the side of the fixing seat 21, the rotating base 20 can be positioned without being rotated arbitrarily, so that the two positioning protrusions 22 can be positioned. When the brake cylinder 4 of the vehicle is to be adjusted, the pulling unit 2 is adjusted. The positioning bead 302 is disposed on the end of the rod 30 of the driving unit 3, and the positioning ball 302 on the positioning protrusion 301 is pushed by the inner wall of the polygonal fitting hole 213 of the fixing seat 21 to be elastic. The surface of the positioning steel ball 302 is abutted against the inner wall of the polygonal insertion hole 213 of the fixing base 21, and the pulling unit 2 is stably located. On the positioning protrusion 301 at the end of the moving unit 3, the positioning baffle 32 is further disposed on the caliper seat 43 of the brake cylinder 4, and the driving unit 3 and the positioning sleeve 31 are disposed on the brake cylinder 4 to make the positioning sleeve The cylinder 31 is embedded in the notch 320 of the positioning baffle 32 and the caliper seat 43 of the brake cylinder 4, and the positioning boss 22 of the pulling unit 2 is aligned and embedded in the valve body 41 of the brake cylinder 4 In the notch 42, the positioning sleeve 31 is rotated and adjusted on the external thread 300 of the rod 30, and the rod 30 is moved forward and backward by the spiral rotation of the positioning sleeve 31, and the end of the rod 30 can be The pulling unit 2 is adjusted to abut against the valve body 41 in the valve port 40 of the brake cylinder 4, and the grip rod 33 is inserted into the through hole 303 of the rod body 30 of the driving unit 3, thus, by holding The lever 33 rotates to rotate the rod 30 of the driving unit 3, and the rod 30 of the driving unit 3 can be rotated forwardly, and the pulling unit 2 is pushed to push the valve body 41 in the valve port 40 back to the original. In this way, the brake pump 4 of the vehicle can be adjusted. Thus, the drive unit 3 and the single pull unit 2 can be used to match the brake cylinders 4 of various sizes. It is used for adjusting the brake pump 4 of the vehicle. It does not need to purchase a variety of different sizes of the rotating disc body, which can reduce the manufacturing cost and the purchase cost. The overall volume is small, the weight is light, and it can be conveniently carried and used, and by the limiting member 24 and the elasticity The design of the spacer 25 can stably fix the rotating base 20, so that the positioning protrusions 22 can be positioned and not moved at will, and can be conveniently used.

Another embodiment of the present invention, as shown in the thirteenth and fourteenth drawings, is mainly provided with a pulling unit 2' for axially engaging the brake cylinders of different sizes, and with the pulling unit 2' The driving unit 3 is connected to the rotating shaft shifting operation, and the driving unit 3 is as described in the above embodiment, and the pulling unit 2' is composed of a rotating base 27, a fixing base 28, three positioning protrusions 22, An elastic ring 23, a limiting member 24, an elastic spacer 25 and a buckle ring 26, the outer peripheral surface of the rotating seat 27 is provided with a non-slip pattern 270, and a hole 271 is formed in the middle of the rotating seat 27, On one side of the translating seat 27, at the periphery of the through hole 271, there are three guiding grooves 272 which are formed by a semi-elliptical shape. On the other side of the rotating seat 27, two opposite sides are arranged around the perforating hole 271. a recess 273, one side of the recess 273 is provided with a resisting surface 274, and the fixing base 28 is disposed on one side of the rotating base 27. One side of the fixing base 28 is provided with an alcove 280. A convex portion 281 is disposed in the middle portion of the chamber 280, and a ring groove 282 is disposed on the outer wall surface of the convex body 281, and the convex body 281 is provided with a plurality of The fixing hole 28 is provided with a three-step sliding groove 284, and the three-step sliding groove 284 is connected to the polygonal insertion hole 283, and the three positioning protrusions 22 are disposed on the rotating base 27 On the fixing base 28, a ring 220 is disposed on each of the three positioning protrusions 22, and a guiding post 221 is protruded from the outer side of the retaining seat. The three positioning studs 22 are respectively disposed on the fixing base 28. The third guide chute 284 is disposed in the guide groove 272 of the other end of the three positioning studs 22, and the elastic ring 23 is sleeved on the three positioning positions. The limiting member 24 is disposed on the other side of the rotating base 27, and the limiting member 24 is provided with a through hole 240, and the limiting member 24 is disposed on the outer side of the protruding post 22 and the convex portion 281 of the fixing base 28. On one side of the through hole 240, two opposite positioning protrusions 241 are disposed, and the other side of the limiting member 24 is provided with a slit 242 corresponding to the position of the positioning protrusion 241. 25 is disposed between the limiting member 24 and the buckle 26, and the buckle 26 is fastened to the ring groove 282 of the fixing seat 28, so that the overall structure of the pulling unit 2' is Benchuang The assembling manner and the using method of the other embodiment are the same as those of the above embodiment, and the three guiding holes 272 formed by combining the three semi-ellips on the rotating base 27 guide the three provided on the fixing base 28. The three positioning protrusions 22 in the stepped guide 284 are relatively moved in or out, which can also achieve the above-mentioned purpose and effect.

In view of the above, the present invention has achieved the intended use and efficacy, and is more desirable and practical than the prior art, but the above embodiments are only specifically described for the preferred embodiment of the present invention. The present invention is not intended to limit the scope of the invention, and all other equivalents and modifications may be included in the scope of the invention covered by the invention.

1‧‧‧tool box
10‧‧‧Drive Wrench
100‧‧‧ screw
11‧‧‧Drive Wrench
110‧‧‧ screw
12‧‧‧ Pulling the disk
2, 2'‧‧‧ Pull unit
20‧‧‧Transposition
200‧‧‧Slip lines
201‧‧‧Perforation
202‧‧‧Guide
203‧‧‧ Groove
204‧‧‧Resistance
21‧‧‧ Fixed seat
210‧‧ ‧ alcove
211‧‧ ‧ convex
212‧‧‧ Ring groove
213‧‧‧Polygonal holes
214‧‧‧ step chute
22‧‧‧ positioning stud
220‧‧ ‧ rim
221‧‧‧ Guide column
23‧‧‧ elastic ring
24‧‧‧Limited parts
240‧‧‧through hole
241‧‧‧ positioning convex
242‧‧‧ slotting
25‧‧‧elastic gasket
26‧‧‧ buckle
27‧‧‧Transposition
270‧‧‧Slip lines
271‧‧‧Perforation
272‧‧ ‧ guide slot
273‧‧‧ Groove
274‧‧‧Resistance
28‧‧‧ Fixed seat
280‧‧ ‧ alcove
281‧‧ ‧ convex
282‧‧‧ Ring groove
283‧‧‧Polygonal holes
284‧‧‧ step chute
3‧‧‧Drive unit
30‧‧‧ rod body
300‧‧‧ external thread
301‧‧‧Positioning rod
302‧‧‧ Positioning steel balls
303‧‧‧Perforation
31‧‧‧ positioning sleeve
310‧‧‧ internal thread
311‧‧‧Brace flange
312‧‧‧ polygon facets
32‧‧‧ positioning baffle
320‧‧‧ gap
33‧‧‧ Grip
4‧‧‧煞车分泵
40‧‧‧ valve port
41‧‧‧ valve body
42‧‧‧ gap
43‧‧‧ caliper seat

The first figure shows a schematic diagram of a conventional brake pump adjuster and tool box. The second figure is an exploded perspective view of the pulling unit of the embodiment of the present invention. The third figure is an exploded perspective view of another angle of the pulling unit according to the embodiment of the present invention. The fourth figure is an exploded perspective view of the pulling unit and the driving unit according to the embodiment of the present invention. The fifth figure shows a three-dimensional combination diagram of an embodiment of the present invention. FIG. 6 is a schematic view showing an end face of the positioning unit of the pulling unit of the embodiment of the present invention with a relatively small distance relative to the inner movement. FIG. 7 is a schematic view showing an end face of the positioning unit of the embodiment of the present invention with a relatively large distance relative to the outward displacement of the positioning unit. The eighth figure is a schematic view of the end faces of the limiting member and the rotating seat according to the embodiment of the present invention. The ninth figure is a schematic view of the end face of the rotation limiting member according to the embodiment of the present invention. FIG. 10 is a cross-sectional view showing the combination of the rotation restricting member and the rotating seat abutting position according to the embodiment of the present invention. Figure 11 is a cross-sectional view showing a combination of a brake pump for an embodiment of the present invention. Figure 12 is a perspective view of a brake pump for an embodiment of the present invention. Figure 13 is a perspective exploded view of another embodiment of the present invention. Figure 14 is a perspective assembled view of another embodiment of the present invention.

2‧‧‧ Pulling unit

20‧‧‧Transposition

200‧‧‧Slip lines

201‧‧‧Perforation

202‧‧‧Guide

203‧‧‧ Groove

204‧‧‧Resistance

21‧‧‧ Fixed seat

210‧‧ ‧ alcove

211‧‧ ‧ convex

212‧‧‧ Ring groove

213‧‧‧Polygonal holes

214‧‧‧ step chute

22‧‧‧ positioning stud

220‧‧ ‧ rim

221‧‧‧ Guide column

23‧‧‧ elastic ring

24‧‧‧Limited parts

240‧‧‧through hole

241‧‧‧ positioning convex

242‧‧‧ slotting

25‧‧‧elastic gasket

26‧‧‧ buckle

Claims (4)

The utility model relates to a brake pump adjuster, which is provided with a pulling unit capable of axially engaging with different sizes of brake cylinders, and a driving unit connected with the rotating unit for rotating shaft movement, wherein the driving unit is composed of one a rod body, a positioning sleeve, a positioning baffle and a grip rod; the feature is: the pulling unit is composed of a rotating seat, a fixing seat, at least two positioning protrusions, a elastic ring, a limit a positional member and a buckle ring, wherein a hole is formed in the middle of the rotating seat, and one side of the rotating seat is provided with a guiding groove formed by combining at least two semi-elliptical shapes, and the other side of the rotating seat is located at the through hole There are two oppositely disposed grooves, one side of the groove is provided with a resisting surface, and the fixing seat is disposed on one side of the rotating seat, and one side of the fixing seat is provided with an alcove. a convex body is disposed in an intermediate portion of the concave portion, and a ring groove is disposed on the outer wall surface of the convex body, the polygonal body is provided with a polygonal insertion hole, and the fixed seat is provided with at least two-step sliding grooves, and the at least two positioning protruding columns Passing through at least two stepped chutes of the fixing seat, respectively, to A ring is disposed on each of the second and second positioning protrusions, and a guide post is protruded from the outer side of the retaining edge, and the guide post of the at least two positioning protrusions is oppositely disposed in the guide groove of the rotary seat, and the elastic ring The sleeve is sleeved on the outer side of the at least two positioning protrusions and the protrusion of the fixing seat, and the limiting member is disposed on the other side of the rotating seat and sleeved on the convex body of the fixing seat, The limiting member is provided with a through hole, and a pair of opposite positioning protrusions are disposed on one side of the limiting member on the side of the through hole, and the positioning convex system is disposed in the groove of the rotating seat, and the buckle is disposed The buckle is fastened on the ring groove of the fixing seat. The brake pump adjuster of claim 1, wherein an elastic spacer is disposed between the limiting member and the buckle. The brake pump adjuster according to claim 1, wherein the guide groove provided on one side of the rotary seat is combined by two semi-elliptical shapes to form an elliptical shape. The brake pump adjuster according to claim 1, wherein the guide groove provided on one side of the rotary seat is formed by combining three semi-ellipses.