TWM565250U - Universal sleeve - Google Patents

Abstract

A universal joint includes a female seat, a joint member, a plurality of limiting beads and a buckle, the female seat is provided with a groove, two long grooves and a plurality of slots, the joint member comprises a ball head and the joint A ball pin is disposed on the ball head, and the ball ends are protruded from the two ends. The ball head of the joint member is disposed in the groove of the base seat, and an elastic member is disposed in the slot to support the ball head. Both ends of the pin In the two long slots of the female seat, each of the limiting beads is accommodated 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, so that Each limit bead body forms a card for the ball head; the universal gimbal sleeve has the advantages of high torque and durability.

Description

Universal sleeve

The invention relates to a universal sleeve, in particular to a universal sleeve which can withstand high torque.

There is a universal sleeve which is connected to a pneumatic and electric machine tool. Referring to FIG. 8 , the main groove 80 of the base 80 is connected to the ball 91 of the joint member 90 , and the pin 87 is inserted through the nut 87 . 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. 5. When the existing universal sleeve is operated at a large angle and at a high speed, the connection method is prone to vibration, and it is easy to cause occupational injury to the user's hand after long-term use.

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 pin connection of the ball head are easily damaged and the user's hand is easily damaged.

Another main object of the present invention is to provide a universal joint that can withstand large engine torque and has a connection between the ball head and the female seat, is less prone to vibration, and can increase the relative rotational tilt angle.

In order to achieve the above object, the universal sleeve includes: a female seat, including a first direction, a slot, two long 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 two long slots extending along the first direction, located on opposite sides of the female seat and communicating with the recessed groove, the plurality of slots are disposed through the female seat a peripheral wall is connected to the recessed groove; a joint member having a ball end at one end thereof, and the ball head is provided with a through hole, and the ball head of the joint member is disposed in the recessed groove of the base; The rod is in the shape of a rod and has a length larger than a maximum outer diameter of the ball joint of the joint member. The pin is inserted into the pivot hole of the joint member, and the two ends of the joint protrude from the ball head and are placed on the two sides of the base. a slot between the latch and the pivot hole of the connector member; an elastic member disposed in the recess of the female seat to push against the ball head supporting the connector; a plurality of limiting beads, respectively Provided in a slot of the female seat, protruding from the socket of the female seat, and forming a card for the ball head of the joint member ; And a buckle, the sleeve disposed on an outer peripheral wall of the female connector, the opening and closing of each slot.

In the above-mentioned universal sleeve, the two long grooves of the female seat are all grooves, and are recessed from the open end of the groove in the first direction on the peripheral wall of the groove.

The universal sleeve described above, wherein the two long slots of the female seat are through holes, and are disposed through the peripheral wall of the female seat, and the buckle covers at least part of the opening of the two long slots, and the latch is located at the The two long slot openings of the female seat are covered.

In the universal sleeve described above, the two long slots of the female seat form an opening at the open end of the recess.

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 new type of connector and the two long slots of the female seat provide the joint member to rotate at an oblique angle with respect to the female seat, and the pin and the ball end of the joint member are close to one-piece design, increasing the strength of the bolt. Improve the shortcomings of the existing pin and the ball head with easy connection of the eight-hole connection stress, thereby improving the torsion force that the pin can withstand, and the torque specification of the universal sleeve drive; and using the connection of the long groove and the pin, the mother seat is two The side wall of the long groove is subjected to a torsion force, which improves the problem that the female seat is easily broken from the weak point of the pivot hole of the pin, and increases the service life of each part.

2. The new type uses a buckle of a buckle, a limiting bead body and an elastic element to fix the ball head of the joint member, and the elastic element provides the ball supporting force of the joint member, in addition to preventing the ball head from being separated from the female seat, The ball head is also pushed against the limit bead body to form a card for the buckle, which is different from the previous use of the eight-hole hole, the pin connection method, or the limitation of the rotation inclination angle caused by the C-shaped buckle to form the ball head, so that the joint The smoothness of the relative rotation of the piece and the base can be maximized; and when the angle is connected and the high speed is running, vibration is not easily generated, and the occupational injury problem of the user's hand can be improved.

3. The novel has the advantages of simple structure and easy assembly.

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:

The first embodiment of the universal sleeve of the present invention, with reference to FIG. 1 to FIG. 4, includes a female seat 10, a joint member 20, a latch 25, an elastic member 27, and two limiting 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 of the base 10 is recessed with a socket-shaped sleeve portion 11 to The second end 102 of the base 10 is provided with a slot 13 , two slots 15 , two slot holes 17 and a ring groove 19 . The slot 13 is in the shape of a circular groove. The recess is disposed 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, and correspondingly extend from the opening of the insert slot 13 in the longitudinal direction to the recessed slot. The peripheral wall of the 13 is communicated with the slot 13 , and the two slots 17 are formed through the circular hole, and are correspondingly disposed on the peripheral wall of the base 10 at a position different from the two slots 15 to communicate with the slot 13 . The buckle groove 19 is recessed from the second end 102 of the female base 10 in the longitudinal direction on the outer peripheral wall of the female seat 10, and a limiting base 191 is formed.

The joint member 20 has a ball head 21 at one end and 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 provided with a through circle. Preferably, the pivot hole 211 is perpendicular to the longitudinal direction of the joint member 20 and is disposed at a maximum outer diameter of the ball head 21; the latch 25 is in the shape of a round rod and is disposed through In the pivot hole 211 of the joint member 20, the length of the plug 25 is greater than the maximum radial distance of the ball head 21. Preferably, the pin 25 and the ball end 21 of the ball head 21 are rotatably gap-fitted. The ball 21 of the connector member 20 is disposed in the slot 13 of the socket 10, and the two ends of the pin 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 on the spring The ball 13 of the socket 10 is pushed into the slot 13 of the socket 10; the two limiting beads 30 can be steel balls, ceramic beads, etc., and are respectively received in a slot of the socket 10. The outer diameter of each of the limiting bead bodies 30 is greater than the wall thickness of the slot 10 of the female base 10; the buckle 40 is sleeved on the buckle groove 19 of the female base 10 and resists the limit stop 191, and the opening of each slot 17 is closed, and each limiting bead 30 protrudes from the slot 13 to form a locking of the ball head 21; preferably, the ring 40 and the ring of the socket 10 The buckle groove 19 is a tight fit.

Referring to FIG. 5 and FIG. 6 , a second embodiment of the present invention is different from the first embodiment in that the two long slots 15 ′ of the female base 10 ′ are through the long holes and correspondingly penetrate the same. The peripheral wall of the female seat 10' is in communication with the recessed groove 13', and the two long slots 15' may be closed pores that do not form an opening at the second end 102' of the female base 10, or two long slots 15' The second end 102' of the female seat 10' forms an open open hole shape; the buckle groove 19' is the outer peripheral wall of the female seat 10' close to the second end 102', and is in the middle of the female seat 10'. A limit stop 191 ′ is disposed on the buckled groove 19 ′ of the female seat 10 ′ to abut against the limit stop 191 ′ and closes a part of the opening of each long groove 15 ′ and The opening of each slot 17' is located, and the latch 25 is located at the closed position of the two long slots 15' of the female base 10'. Preferably, the buckle 40 is in a tight fit with the buckle groove 19'.

The preferred assembly sequence of the first embodiment is as follows: 1. Insert the pin 25 into the pivot hole 211 of the connector member 20, and place the elastic member 27 in the slot 13 of the base 10; 2. The connector member 20 The two ends of the latch 25 of the protruding ball head 21 are opposite to the two long slots 15 of the female base 10, and the ball head 21 is inserted into the recessed slot 13 from the second end 102 of the female base 10; 3. Each limiting bead is placed After the body 30 is placed in each slot 17 of the female base 10, the buckle 40 is then inserted into the buckle groove 19 of the female base 10 from the second end of the female base 10, and is resisted by the limiting base 191. The joint member 20 is pressed slightly downward, and the buckle 40 pushes the limit bead body 30 toward the slot 13 to engage the ball head 21, and the elastic member 27 pushes against the ball head 21 and has a female seat. The force of the second end 102 causes the ball head 21 and the buckle 40 to push against each other to the limiting bead body 30, so that the limiting bead body 30 forms a clamping force on the ball head 21 and the buckle 40.

The preferred assembly sequence of the second embodiment is as follows: 1. Insert the spring or spring of the elastic member 27 into the recess 13' of the female seat 10'; 2. Place the ball 21 of the joint member 20 into the slot. 13' inside; 3. Insert the latch 25 from the side of the female seat 10' into a long slot 15' and then penetrate the pivot hole 211 of the ball head 21 to the long slot 15' on the other side to make the two ends of the latch 25 In the two long slots 15'; 3. After the limit beads 30 are placed in the slots 17' of the female seat 10', the buckle 40 is then inserted into the female end from the second end 102 of the female seat 10'. The ring groove 19' of the seat 10' is abutted against the limiting table 191'. At this time, the joint member 20 is slightly pressed downward, and the buckle 40 will push the limiting bead body 30 toward the slot 13'. The ball head 21 is locked, and the elastic member 27 pushes against the ball head 21 and has a force toward the second end 102' of the female seat 10', so that the ball head 21 and the buckle 40 push each other against the limiting bead body 30. The limiting bead body 30 forms a clamping force on the ball head 21 and the buckle 40.

Referring to FIG. 5 and FIG. 7 , the present invention utilizes the connection manner of the latch 25 and the two long slots 15 ′ of the female base 10 ′ so that the joint member 20 can be tilted and rotated relative to the female seat 10 ′ to provide a connection angle in various directions. And the ball 21 is supported by the elastic member 27, so that the relative position of the connection between the female seat 10' and the joint member 20 is not arbitrarily displaced; the female pin 10 is used to abut the side wall of the long groove 15' of the female seat 10' to provide the female seat 10 'Twisting force with the joint member 20, since the bolt 25 is in clearance fit with the pivot hole 211 of the joint member 20, the connection between the bolt 25 and the ball head 21 approaches the unitary type, and the plug 25 is received by the female seat 10 'When the torque between the joint members 20, the stress can be dispersed to the ball head 21, thereby increasing the torsion strength that the pin 25 can withstand, so the same pin 25 specification can be used, but the universal sleeve can be connected with the eight-hole hole. The greater torque of the transmission, in addition, the long groove 15' of the female seat 10' is connected with the two ends of the pin 25, so that the female seat 10' receives the torque of the side wall of the long groove 15', and the improved female seat 10' is easy to self- The problem of the breakage of the fragile point of the pivot hole of the bolt, and the extension of the present invention Life.

Referring to FIG. 3 and FIG. 4 , the ball cap 21 of the joint member 20 is fixed by the engagement of the limiting bead body 30 , the buckle 40 and the elastic member 27 , and the elastic member 27 provides the supporting force of the joint member 20 . And the limiting bead body 30 not only prevents the ball head 21 from being separated from the female seat 10, but also forms a locking on the buckle 40, and the card is fixed by the ball head 21, the limiting bead body 30 and the buckle 40. In a manner, the connection of each component forms a balance state, and further, the ball head 21 is clamped by the limiting bead body 30, 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, and When the lens is connected at a high angle and is operated at a high speed, vibration is less likely to occur, and the occupational injury of the hand caused by the user after long-term use can be reduced. In addition, the components of the present invention are simple in structure, easy to manufacture, and easy to assemble, and can be relatively reduced in manufacturing. The time cost required, and so on.

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.

10,10'‧‧‧ mother seat
101,101'‧‧‧ first end
102,102'‧‧‧ second end
11,11'‧‧‧ Sockets
13,13'‧‧‧ slotted
15,15'‧‧‧Long slot
17,17'‧‧‧ slots
19,19'‧‧‧ring groove
191,191'‧‧‧Limited Desk
20‧‧‧Connector parts
21‧‧‧ ball head
211‧‧‧ pivot hole
23‧‧‧Connecting Department
25‧‧‧Latch
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 the first embodiment of the present invention. Figure 2 is an exploded perspective view of the first embodiment of the present invention. Figure 3 is a side elevational, partial cross-sectional view of the first embodiment of the present invention. Figure 4 is a cross-sectional side elevational view of the cut line of Figure 3A-A of the first embodiment of the present invention. Figure 5 is an exploded perspective view of a second embodiment of the present invention. Figure 6 is a side elevational, partial cross-sectional view of the second embodiment of the present invention. Fig. 7 is a schematic view showing the operation of the second embodiment of the present invention. Fig. 8 is a side elevational cross-sectional view showing the conventional universal sleeve.

Claims (10)

A universal sleeve includes: a female seat including a first direction, a recessed groove, two long slots, and a plurality of slots, wherein the recess is recessed in the female seat and is in the female seat An opening is formed at one end of the first direction, and the two long slots are extending along the first direction, and are located on opposite sides of the female seat and communicate with the recessed groove. The plurality of slots are penetrated through the peripheral wall of the female seat and a joint member having a ball end at one end thereof, and the ball head is provided with a through hole, the ball head of the joint member is disposed in the groove of the base; the pin is in the shape of a rod, and The length of the ball is larger than the maximum outer diameter of the ball joint of the joint member. The pin is inserted into the pivot hole of the joint member, and the two ends protrude from the ball head and are placed at the two long slots of the base. a gap fit between the pivot hole of the joint member; an elastic member disposed in the recess of the female seat to push against the ball head supporting the joint member; and a plurality of limiting beads respectively received in the female seat Inside a slot, the bracket of the female seat is protruded, and the ball head of the joint member is formed with a buckle; The female connector disposed on an outer peripheral wall, and closing the opening of each slot. The universal sleeve according to claim 1, wherein the two long slots of the female seat are recesses, and are recessed from the open end of the recess in the first direction on the peripheral wall of the recess. The universal sleeve of claim 1, wherein the two long slots of the female seat are through holes, and are disposed on the peripheral wall of the female seat, and the buckle covers at least part of the openings of the two long slots, and the The latch is located at the obstruction of the two long slot openings of the female seat. The universal sleeve according to any one of claims 1 to 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 slots, 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. The universal sleeve according to any one of claims 1 to 3, wherein the outer peripheral 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 limit of the female seat. Bit station. The universal sleeve of claim 3, wherein the two long slots of the female seat form an opening at the open end of the recess.