TWM565251U - Universal sleeve - Google Patents

Abstract

A universal sleeve includes a female seat, a joint member, a plurality of second beads and a buckle, the female seat is provided with a groove, a plurality of long grooves, a plurality of slots, and the joint member comprises a ball head And the ball head is embedded with a plurality of first beads protruding from the ball head, the ball head of the joint member is disposed in the recess of the female seat, and is provided with an elastic element supporting the ball head in the slot, and each first The beads are located in the long slots of the female seat, and each of the second beads is received in a slot of the female seat, and the ring sleeve is sleeved on the outer peripheral wall of the female seat to close the opening of each slot. The second bead body forms a card for the ball head; the universal gimbal socket and the joint member of the present invention are more flexible and have the advantages of long service life of each component.

Description

Universal sleeve

The invention relates to a universal sleeve, in particular to a structure of a rotating universal joint sleeve.

There is a universal sleeve connected to a pneumatic and electric machine tool. Please refer to FIG. 6 , which mainly uses the groove 81 of the female seat 80 to connect with the ball head 91 of the joint member 90 , and is inserted into the female pin 81 . In the pivot hole 83 of the seat 80 and the splayed hole 911 of the ball head 91, the two ends of the latch 87 are fixed to the female seat 80 by caulking, and the joint member is made by the cooperation of the splayed hole 911 of the ball 91 and the round rod-shaped plug 87. The 90 can be tilted relative to the female seat 80 to change the connection angle.

However, such a universal sleeve has the following disadvantages when it is operated with a pneumatic or electric wrench: 1. The pin 87 of the universal sleeve is a component that mainly bears the torsion of the female seat 80 and the joint member 90, and is most vulnerable to damage. Parts. 2. Since the pin 87 and the splayed hole 911 of the ball head 91 are in contact with the tangential line of the plane and the cylindrical surface, concentrated stress is easily formed when the torque of the female seat 80 and the joint member 90 is received, and the plug 87 is more easily broken. 3. After the pivot hole 83 of the female seat 80 is subjected to excessive torque, the wall surface of the minimum distance from the pivot hole 83 to the end edge of the female seat 80 is easily broken. 4. If the riveting quality during assembly is not good, the pin 87 is easy to loose at high speed, and the part is broken out by inertia, which hurts the user.

In order to improve the lack of the existing universal sleeve, the invention patent No. I604151 of the Taiwan Announced "Universal Joint Structure" invention proposes a universal joint which is mainly provided with at least two axially extending cards on the inner ring surface of the female seat. a groove, and a ball groove of the ball joint of the joint member at each of the corresponding card slots of the female seat, each of the plurality of groove grooves respectively being arranged with the card slots of the female seat to be driven and driven, so that the beads can be With the pivoting action of the ball joint of the joint member, the rolling displacement is respectively carried out in the respective card slots of the female seat; thereby, the female seat and the joint are improved by the use of the snap groove transmission of the socket of the female seat and the bead of the joint member The durability of the piece, in order to achieve the practical benefits of steering smoothness. However, such a universal sleeve needs to be provided with a limiting component in the female seat, so that the ball head of the joint member is limited to the female seat, and the use of the limiting component affects the inclination of the joint member and the female seat when rotating relative to each other. The angle, and the problem of smoothness of rotation, are less than ideal.

In view of the above-mentioned lack of the universal sleeve, the main purpose of the present invention is to improve the problem that the pin and the female seat are easily damaged by the eight-hole hole and the bolt connection of the ball head.

Another main object of the present invention is to provide a limiting structure for a carding ball head, which is used to improve the tilting angle and the smoothness of rotation of the joint member in the relative rotation of the joint member and the female seat. A universal sleeve that increases the relative smoothness of relative rotation between the joint member and the female seat and increases the angle of the product.

In order to achieve the above object, the universal sleeve includes: a female seat, including a first direction, a slot, a plurality of slots, and a plurality of slots, wherein the slot is recessed in the socket And forming an opening at one end of the female seat in the first direction, the plurality of long slots are recessed from the open end of the slot in the first direction on the peripheral wall of the slot, and the plurality of slots are disposed through the peripheral wall of the socket And communicating with the recessed groove; a joint member having a ball head at one end thereof, and the ball head is provided with a plurality of hemispherical grooves corresponding to the long grooves of the female seat, and a first bead is embedded in each groove And the first bead protrudes from the ball head, the ball head of the joint member is disposed in the recess of the female seat, and each of the first beads is located in each long groove of the female seat; Provided in the groove of the female seat to push against the ball head supporting the joint member; a plurality of second beads are respectively accommodated in a slot of the female seat, and the embedded groove of the female seat is protruded And forming a ball joint of the ball joint of the joint member; and a ring buckle, sleeved on the outer peripheral wall of the female seat, and closing the opening of each slot

In the universal sleeve described above, each of the first beads is rollably embedded in each groove of the joint member.

In the above-described universal sleeve, it is preferable that the cross-sectional shape of each long groove of the female seat is a circular arc shape.

Preferably, the gimbal sleeve has a tight fit with the outer peripheral wall of the female seat.

Preferably, the outer circumferential wall of the female seat is provided with a limiting platform, and the end of the buckle away from the open end of the female socket is abutted against the limiting platform of the female seat.

With the above technical features, the universal sleeve of the present invention has the following enhancements:

1. The present invention provides a torque between the female seat and the joint member by using a plurality of first beads embedded in the ball joint of the joint member and a plurality of long grooves of the female seat, and the ball head and the first ball are provided. The close-to-body design of the body can improve the problem of easy breakage by using the pin, and the use of the first bead can make the joint member smoother with respect to the rotation of the seat; further, the long groove of the female seat and the first The bead body connection causes the female seat to withstand the torsion of the long groove side wall, thereby improving the problem that the female seat is easily broken from the weak point of the pivot hole of the plug, and increasing the service life of each part.

2. The present invention utilizes the cooperation of the buckle, the second bead body and the elastic element to fix the ball joint of the joint member, and the elastic member provides the ball support force of the joint member, in addition to preventing the ball joint from being separated from the female seat. The ball is also pushed against the second bead to form a buckle for the buckle, which is different from the previous use of the eight-hole hole, the pin connection method, or the rotation inclination angle caused by the C-shaped buckle to make the ball head, so that the joint The smoothness of the relative rotation of the piece and the rotation of the seat can be maximized.

In order to understand the technical features and practical effects of the present invention in detail, and in accordance with the contents of the specification, further detailed embodiments as illustrated in the following are described in detail below:

Referring to FIG. 1 to FIG. 4, the universal joint of the present invention includes a female seat 10, a joint member 20, an elastic member 27, two second beads 30, and a buckle 40, wherein:

The base 10 has a cylindrical shape and includes a longitudinal direction, a first end 101 and a second end 102. The first end 101 of the base 10 is provided with a socket-shaped socket portion 11 to The second end 102 of the base 10 is provided with a slot 13 , two long slots 15 , two slot holes 17 and a ring groove 19 . The slot 13 is a circular slot. And the recessed portion is formed in the female base 10, and an opening is formed in the second end 102 of the female base 10. The two long slots 15 are all grooves. The corresponding arrangement is recessed from the opening of the insert slot 13 along the length direction. The slotted wall 13 is communicated with the slot 13 and the slotted holes 17 are formed through the circular hole, and are correspondingly disposed on the peripheral wall of the socket 10 at positions different from the two slots 15 and the slot 13 In the same manner, the buckle groove 19 is recessed from the second end 102 of the female base 10 in the longitudinal direction of the outer peripheral wall of the female seat 10, and a limiting base 191 is formed.

The joint member 20 is provided with a ball head 21 at one end, a connecting portion 23 for assembling a connecting tool such as a sleeve at the other end, or the connecting portion 23 can be a sleeve, wherein the ball head 21 is concavely disposed. Two corresponding hemispherical grooves 211 are defined, and a first bead body 25 is embedded in each of the grooves 211. Preferably, each of the first bead bodies 25 is slidably disposed in the groove 211, which may be a steel ball. a ceramic bead or the like, and the two long grooves 15 of the female seat 10 have a semi-arc shape matching the outer diameter of each of the first beads 25; the ball head 21 of the joint member 20 is disposed on the female seat 10 In the slot 13 and the two first beads 25 are located in the two slots 15 of the socket 10; the elastic member 27 can be a spring or a spring, and is disposed in the slot 13 of the socket 10 to push the connector. The ball head 21 of the member 20; the two second beads 30, which may be steel balls, ceramic beads, etc., are respectively disposed in a slot 17 of the female base 10, and the outer diameter of each second bead 30 is larger than the female a wall thickness of the slot 10; the buckle 40 is sleeved on the ring groove 19 of the socket 10, and abuts against the limiting base 191, and closes the opening of each slot 17, so that each ring Two beads 30 protruding slot 13 The ball head 21 is formed clamping; Preferably, the urgency buckle 4019 mate with the female buckle 10 of the groove.

The assembly sequence of the preferred embodiment of the present invention is as follows: 1. The two first beads 25 are embedded in the two recesses 211 of the joint member 20, and the spring or spring of the elastic member 27 is placed in the recess 13 of the female seat 10. 2. The joint member 20 is such that the two first beads 25 protruding from the ball head 21 correspond to the two long grooves 15 of the female seat 10, and the ball head 21 is inserted into the recessed groove from the second end 102 of the female seat 10. 13; 3, after the two second beads 30 are placed into the two slots 17 of the female base 10, the buckle 40 is then inserted from the second end of the female seat 10 into the buckle groove 19 of the female base 10, and Stop at the limit table 191, at this time, the joint member 20 needs to be pressed down slightly, and the buckle 40 will push the second bead body 30 in the direction of the slot 13 to engage the ball head 21, and the elastic member 27 will push Abutting the ball head 21 and having a force toward the second end 102 of the female seat 10, the ball head 21 and the buckle 40 are pushed against each other by the second bead body 30, so that the second bead body 30 forms the ball head 21 and the buckle 40. The power of the card.

Referring to FIG. 5 , the present invention is to connect the two first beads 25 embedded in the ball 21 of the joint member 20 with the two long slots 15 of the female base 10 , so that the joint member 20 can be opposite to the joint member 20 . The female seat 10 is tilted and rotated to provide a plurality of connection angles, and the torque between the female seat 10 and the joint member 20 is provided. The first bead body 25 and the ball head 21 are close to the integrated design, which can be easily broken by using the plug. The problem is that the first bead body 25 can make the joint member 20 smooth and smooth relative to the rotation of the female seat 10; further, the long groove 15 of the female base 10 is connected with the first bead body 25, so that The female seat 10 receives the torsion force by the side wall of the long groove 15, and improves the problem that the female seat 10 is easily broken from the weak point of the pivot hole of the plug, thereby prolonging the service life of the present invention.

With reference to FIG. 3 and FIG. 4 , the present invention utilizes the cooperation of the second bead body 30 , the buckle 40 and the elastic member 27 to fix the ball head 21 of the joint member 20 , and the elastic member 27 provides the support member 20 for the card support. The second bead body 30 not only prevents the ball head 21 from being separated from the female seat 10, but also forms a buckle for the buckle 40, and the card is pushed by the ball head 21, the second bead body 30 and the buckle 40. In the fixing manner, the connection of each component forms a balance state, and further, the second ball 30 is used to clamp the ball head 21, so that the smoothness of the relative rotation of the joint member 20 and the female seat 10 and the rotation tilt angle can be maximized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person having ordinary knowledge in the art can use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the novel modifications or modifications made by the novel disclosed subject matter, without departing from the scope of the present invention, are still within the scope of the present invention.

10‧‧‧ mater
101‧‧‧ first end
102‧‧‧ second end
11‧‧‧ Sockets
13‧‧‧Inlay
15‧‧‧Long slot
17‧‧‧Slots
19‧‧‧ring groove
191‧‧‧Limited Desk
20‧‧‧Connector parts
21‧‧‧ ball head
211‧‧‧ Groove
23‧‧‧Connecting Department
25‧‧‧First beads
27‧‧‧Flexible components
30‧‧‧Limited beads
40‧‧‧ buckle
80‧‧ ‧ mother seat
81‧‧‧Inlay
83‧‧‧ pivot hole
87‧‧‧Latch
90‧‧‧Connector
91‧‧‧ ball head
911‧‧‧8-hole

Figure 1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded perspective view of the preferred embodiment of the present invention. Figure 3 is a side elevation, partial cross-sectional view of the preferred embodiment of the present invention. Figure 4 is an end elevational cross-sectional view of the preferred embodiment of the preferred embodiment of Figures 3A-A. Figure 5 is a side elevational view of the preferred embodiment of the present invention. Fig. 6 is a side elevational cross-sectional view showing the conventional universal sleeve.

Claims (8)

A universal sleeve includes: a female seat including a first direction, a recessed groove, a plurality of long slots, and a plurality of slots, wherein the recess is recessed in the female seat and is in the female An opening is formed at one end of the seat in the first direction, and a plurality of long slots are recessed from the open end of the slot in the first direction to the peripheral wall of the slot, and the plurality of slots are inserted through the peripheral wall of the socket and the slot a joint member having a ball head at one end thereof, and the ball head is provided with a plurality of hemispherical grooves corresponding to the long grooves of the female seat, and a first bead body is embedded in each groove, the joint piece The ball head is disposed in the recessed groove of the female seat, and each of the first beads is located in each long groove of the female seat; an elastic element is disposed in the recessed groove of the female seat to push against the joint member a plurality of second beads are respectively received in a slot of the female seat, and protrude from the socket of the female seat, and form a card for the ball joint of the joint member; and a buckle and a sleeve The outer peripheral wall of the female seat is disposed to close the opening of each slot. The universal sleeve according to claim 1, wherein each of the first beads is rollably embedded in a corresponding groove of the joint member. The universal sleeve according to claim 2, wherein each of the long grooves of the female seat has a circular arc shape. The universal sleeve according to claim 3, wherein the buckle has a tight fit with the outer peripheral wall of the female seat. The universal sleeve according to claim 4, wherein the outer peripheral wall of the female seat is provided with a limiting platform, and an end of the buckle away from the open end of the female socket is abutted against the limiting platform of the female seat. The universal sleeve according to claim 5, wherein the other end of the female seat is provided with a set of joints, and the other end of the joint member is provided with a connecting portion. The universal sleeve of claim 6, wherein the elastic member is a spring. The universal sleeve of claim 6, wherein the elastic member is a resilient piece.