TW201605587A - Universal joint with quick release capability - Google Patents

Abstract

This invention is an universal joint which is equipped with quick release capability. The universal joint comprises of a male base and a female base, and a connection block has two matching pins respectively connected to the male base and the female base. One of the male base is equipped with a column section within which there is a cavity passage along an axis. A retaining bead hole which communicates with the cavity passage is setup along a radial direction of the column section. The universal joint also comprises of: a push rod and a spring which are assembled in the cavity passage, and furthermore, one end of the push rod abuts against at one end of the connection block. A steel bead is installed at the retaining bead hole, and moreover, one side of the steel bead presses against the surface of the pushrod and the other side faces the opening end of the corresponding retaining bead hole. The male base is equipped with a pair of first protrusions. The first protrusion is equipped with a pair of tunnels. A first pin penetrates through the pair of tunnel of the protrusion and the connection block. Thus, the male base displacement takes place when force is applied. This causes the other side of the steel bead to protrude at the opening of the retaining bead hole, or causes the other side of the steel bead to retreat into the opening. With this simple design, the structural design of the universal joint is streamlined which can lead to lowered cost of product and increase assembly convenience.

Description

Universal joint with quick release function

The invention relates to the technical field of a universal joint, in particular to a universal joint composed of a male seat, a female seat and a connecting block, and the universal joint is provided with a quick release mechanism and has a quick release function. To the joint.

The conventional universal joint structure includes a male seat and a female seat, and a connecting block is disposed between the male seat and the female seat. Since the connecting block simultaneously connects the male seat and the female seat, a pin is required to penetrate the male seat and the connecting block, and another long pin is inserted through the female seat and the connecting block. In this way, the male seat and the female seat can be adjusted to various angles of angle, and then the appropriate sleeve or tool can be matched to provide a variety of angles of operation.

However, the conventional universal joint is not provided with a quick mechanism, so when the sleeve or the tool is to be removed from the universal joint, the operator needs to force the sleeve or the tool to be pulled out, which is obviously inconvenient to use.

The universal joint disclosed in Taiwan Patent No. M449882 and Japanese Patent No. 201420278 are all equipped with a quick release mechanism. The quick release mechanism in the above patent application needs to penetrate the entire universal joint, and needs to be fitted with the two tubular members to the universal joint, and secondly, an appropriate number of the clamped components are disposed between the two tubular members, and The inner surface of one of the tubular members forms a concave-convex structure corresponding to the engaging member. Driving the tubular member in this manner can interlock the quick release mechanism to easily disengage the sleeve or tool connecting the universal joint.

Although the above-mentioned patent pre-existing case has a quick-release function, its structure is obviously complicated, and it has the disadvantage of high cost with respect to product cost, and it is obviously inconvenient for the assembly of products.

The object of the present invention is to provide a universal joint with a quick release function, which has a simplified structural design, can reduce the cost of the product and is convenient to assemble.

To achieve the above objective, the universal joint disclosed in the present invention comprises a male seat and a female seat, and a connecting block and a second latch are respectively connected to the male seat and the female seat. In particular, the male seat has a post portion at one end thereof, and the inner portion of the post portion has an accommodating passage, the post portion has a through hole in a radial direction, and the through hole is connected to the accommodating passage; a combination of a push rod and a spring Mounted in the receiving passage, and one end of the push rod abuts against one end of the connecting block, a steel ball is mounted on the through hole, and one side of the steel ball is placed on the surface of the push rod, and the other side corresponds to the open end of the through hole; The male seat has a pair of first ear portions, the first ear portion has a pair of elongated holes, a latch is passed through the pair of long holes of the first ear portion and the connecting block; thus the male seat can be stressed A displacement is generated whereby the other side of the steel ball projects from the open end of the perforation or the other side of the steel ball is retracted into the open end.

The universal joint is provided with a quick release mechanism composed of a push rod, a spring and a steel ball, and the original pin hole shape is further modified, so that the operator can drive the male seat to operate the quick release mechanism, so that It has a streamlined structure, which can meet the cost reduction and convenience of assembly.

In the following, the objects and effects of the present invention will be described in detail with reference to the accompanying drawings.

10 ‧ ‧ public

12‧‧‧ first ear

14‧‧‧First hollow

16‧‧‧ long hole

18‧‧‧Bumps

20‧‧‧ mater

22‧‧‧second ear

24‧‧‧Second hollow

26‧‧‧Perforation

30‧‧‧Connection block

32‧‧‧first pin hole

34‧‧‧second pin hole

40‧‧‧first latch

42‧‧‧First pin

50‧‧‧ accommodating channel

52‧‧‧Beacon

54‧‧‧ shoulder

56‧‧‧Open end

60‧‧‧Put

62‧‧‧ Spring

64‧‧‧ steel balls

66‧‧‧deep pocket

68‧‧‧Shallow pocket

Figure 1 is a diagram showing the appearance of the combination of the present invention.

Figure 2 is an exploded view of the present invention.

Figure 3 is a schematic view of the combined structure of the present invention.

Fig. 4 is a schematic view showing the operation of the present invention.

Referring to FIG. 1 , the universal joint disclosed in the present invention comprises a male seat 10 , a female seat 20 and a connecting block 30 . The connecting block 30 is coupled to the male seat 10 and the female base 20 by a first latch 40 and a second latch 42.

Referring to FIGS. 2 and 3, the male seat 10 has a pair of first ears 12 at one end thereof, and a first recess 14 is formed between the pair of first ears 12, and the first ear 12 has A pair of elongated holes 16. Further, the other end of the male seat 10 has a column portion 18.

One end of the female seat 20 has a pair of second ears 22, and a second recess 24 is formed between the pair of second ears 22. Furthermore, the second ear 22 has a pair of perforations 26.

The connecting block 30 is disposed in the first recess 14 and the second recess 24 . Further, the first latch 40 passes through the elongated hole 16 of the first ear portion 12 and the first pin hole 32 of the connecting block 30, and the second latch 42 passes through the through hole 26 of the second ear portion 22 and The second pin hole 34 of the connecting block 30. The first pin hole 32 and the second pin hole 34 are different from each other, and the first pin hole 32 and the second pin hole 34 are located at different height planes of the connecting block 30, so the first pin 40 and the first pin 40 The second pins 42 are located at different height planes of the connecting block 30.

A further accommodating passage 50 is formed in the inner axial direction of the column portion 18, a bead hole 52 is formed in the radial direction of the column portion 18, and the bead hole 52 is connected to the accommodating passage 50; A shoulder portion 54 is formed on the wall surface of the accommodating passage 50.

A quick release mechanism consisting of a push rod 60, a spring 62 and a steel ball 64 mounts the male seat 10. The push rod 60 is disposed in the axial direction of the spring 62. The combination of the push rod 60 and the spring 62 is mounted on the receiving passage 50, and one end of the push rod 60 abuts against one end of the connecting block 30. One end of the spring 62 rests on the shoulder 54 (as shown in Figure 3). The ball 64 is attached to the bead hole 52, and the side of the ball 64 abuts against the surface of the push rod 60, and the other side corresponds to the open end 56 of the bead hole 52. Further, the surface of the push rod 60 has a deep recess 66 and a shallow recess 68, one side of which corresponds to the deep recess 66 or the shallow recess 68.

Referring to FIG. 3 again, in the natural state, the spring 62 does not exhibit a compression shape, and the steel ball 64 is located on the shallow recess 68 of the push post 60, so that one side of the steel ball 64 can protrude the bead hole 52. . A sleeve (not shown) is mated to the post 18, and the raised ball 64 can be used to snap the sleeve so that the sleeve does not come out of the post 18.

Referring to FIG. 4, since the two ends of the first latch 40 are located in the elongated hole 16, the male seat 10 is displaced relative to the connecting block 30 or the first latch 40, so that the spring 62 can be presented. Compressed, and the relative displacement of the steel ball 64 and the push post 60 causes the steel ball 64 to move in the deep pocket 66. In this state, one side of the ball 64 can be retracted into the open end 56 of the bead hole 52. The sleeve (not shown) thus disposed on the column portion 18 does not form a catch with the steel ball 64, so that the sleeve can be easily detached from the column portion 18.

The force acting on the male seat 10 is released, and the restoring force of the spring 62 causes the male seat 10 to be automatically displaced, so that one side of the steel ball 64 protrudes from the open end 56 of the bead hole 52, as shown in FIG. Shown.

According to an embodiment of the present invention, the quick release mechanism includes only the putter 60. The combination of the spring 62 and the steel ball 64. Secondly, the two ends of the first pin 40 are located in the elongated hole 16, so that the male seat 10 can be displaced, and the quick release can be driven by the displacement of the male seat 10. The mechanism, therefore, has a streamlined structural design that can reduce the cost of the product and facilitate assembly.

The above is a preferred embodiment and the design of the present invention. The preferred embodiments and the drawings are merely illustrative and not intended to limit the scope of the invention. The scope of the rights covered by the content of the "Scope of Patent Application" is not within the scope of the invention and is the scope of the applicant's rights.

10 ‧ ‧ public

12‧‧‧ first ear

14‧‧‧First hollow

16‧‧‧ long hole

18‧‧‧Bumps

20‧‧‧ mater

22‧‧‧second ear

24‧‧‧Second hollow

26‧‧‧Perforation

30‧‧‧Connection block

32‧‧‧first pin hole

34‧‧‧second pin hole

40‧‧‧first latch

42‧‧‧First pin

50‧‧‧ accommodating channel

52‧‧‧Beacon

56‧‧‧Open end

60‧‧‧Put

62‧‧‧ Spring

64‧‧‧ steel balls

66‧‧‧deep pocket

68‧‧‧Shallow pocket

Claims (4)

A universal joint having a quick release function, comprising a male seat having a pair of first ears at one end and a column portion at the other end, and a first recess is formed between the pair of first ears; a female seat having a pair of second ears at one end and a second recess formed between the pair of second ears; a connecting block disposed in the first recess and the second recess And the connecting block is coupled with the first plug and the second plug to the male seat and the female seat; wherein the inner portion of the pillar portion has an accommodating passage in the axial direction, and the pillar portion has a bead hole in a radial direction The bead hole is connected to the receiving passage; a combination of a push rod and a spring is mounted on the receiving passage, and one end of the push rod abuts against one end of the connecting block, a steel ball is mounted on the bead hole, and the side of the steel ball Abutting against the surface of the push rod, the other side corresponding to the open end of the bead hole; the first ear portion has a pair of elongated holes, the first plug is passed through the pair of long holes of the first ear and the Connecting the block; the male seat may be displaced by the force, thereby causing the other side of the steel ball to protrude from the open end of the bead hole, or to make the steel ball Retracted into the other side of said open end. A universal joint having a quick release function according to claim 1, wherein the accommodating passage has a shoulder, the push rod is inserted in an axial direction of the spring, and one end of the spring is placed The shoulder, the displacement of the push rod causes the spring to form a compression, and the restoring force of the spring can reversely push the push rod to generate displacement. The universal joint with a quick release function according to claim 1, wherein the second latch passes through the second ear and the connecting block, and the second latch and the first latch are located in the connecting block. Different height planes. A universal joint having a quick release function as described in claim 1 wherein the surface of the push rod The utility model has a deep concave hole and a shallow concave hole, and one side of the steel ball can be respectively placed on the deep concave hole and the shallow concave hole according to the use state.