CN216940424U

CN216940424U - Ratchet wheel type movable joint

Info

Publication number: CN216940424U
Application number: CN202220162773.XU
Authority: CN
Inventors: 蔡昌育
Original assignee: Zhejiang Yonghang Automobile Parts Co ltd
Current assignee: Zhejiang Yonghang Automobile Parts Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-12
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of hardware tools, in particular to a ratchet wheel type movable joint which comprises a rod body, a first assembly and a second assembly, wherein the first assembly comprises a connecting sleeve and a rotating block, the second assembly comprises a cutter head sleeve and a ratchet wheel rod, the rotating block is used for rotating the connecting rod body, the ratchet wheel rod is arranged in the connecting sleeve, the lower end of the ratchet wheel rod is provided with a ring groove, the upper end of the ratchet wheel rod is provided with a ratchet wheel groove, the upper end of the connecting sleeve is provided with a first through hole, the outer side of the connecting sleeve is provided with a hoop, the hoop is provided with a third through hole which is coaxial with the first through hole, a rotating rod is arranged in the third through hole and penetrates through the first through hole, the rotating rod is sleeved with a spring, the spring is positioned between the hoop and the connecting sleeve, the tail end of the rotating rod is provided with a one-way passing part, the one-way passing part is positioned in the ratchet wheel groove, the left side of the one-way passing part is provided with an inclined guide surface, according to the installation or disassembly requirements of a screw, the screw can be mounted or dismounted only by adjusting the position of the rotating rod, and the operation is convenient.

Description

Ratchet wheel type movable joint

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a ratchet wheel type movable joint.

Background

The prior art manual screwdriver generally includes a fixed joint, a handle disposed at the rear end of the fixed joint, and a bit or a sleeve disposed at the front end of the fixed joint and capable of being connected to a screw head, wherein the front end of the bit has a cross shape and a straight shape, so as to be respectively suitable for a cross-slot screw or a straight-slot screw.

The prior screw driver has the following defects in use: when the screw that needs installation or dismantlement is located a comparatively narrow and small space, has the shelter from the thing in the top of screw, therefore the space of screw top is limited, because fixed joint's length and angle are fixed to fixed joint and tool bit are same straight line, lead to the tool bit can't get into the space of falling to the top, and operating personnel can't use the handle of manual screwdriver.

When a screw needs to be continuously rotated for multiple times, the screwdriver needs to be held by hand to withdraw from the screw upwards temporarily, then the handle is rotated in the opposite direction, and then the screwdriver needs to be aligned with the screw again in the mode, so that the operation efficiency is influenced.

To sum up, for solving the not enough among the prior art, need design a simple structure, be fit for narrow and small space operation and ratchet formula movable joint that operating efficiency is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ratchet type movable joint for solving the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme: a ratcheting slip joint comprising:

the ratchet rod comprises a rod body, a first component and a second component, wherein the first component comprises a connecting sleeve and a rotating block arranged at the upper end of the connecting sleeve, the second component comprises a tool bit sleeve and a ratchet rod arranged at the upper end of the tool bit sleeve, the rod body is provided with an adjusting block, the rear end of the adjusting block is provided with a pre-tightening spring, the front end of the adjusting block is provided with a clamping head, the rod body is provided with a groove, the rotating block is rotatably arranged in the groove, the rotating block is annularly provided with a clamping groove, the clamping head is arranged in the clamping groove, the ratchet rod is arranged in the connecting sleeve, the lower end of the ratchet rod is provided with a ring groove, the upper end of the ratchet rod is provided with a first through hole, the outer side of the connecting sleeve is provided with a hoop, the hoop is provided with a third through hole coaxial with the first through hole, the third through hole is internally provided with a rotating rod, the rotating rod penetrates through hole I, the spring is sleeved on the rotating rod and is positioned between the hoop and the connecting sleeve, dwang tail end is equipped with one-way portion of passing through, one-way portion of passing through is located the ratchet inslot, one-way portion of passing through left side is equipped with perpendicular draw-in groove, one-way portion of passing through right side is equipped with the slope spigot surface, the adapter sleeve lower extreme is equipped with through-hole two, two female connection in through-hole have the bolt, the bolt tail end is located in the annular.

In a further improvement, the connecting sleeve is provided with a groove, and the embracing ring is clamped in the groove.

The improved structure comprises a first adjusting block and a second adjusting block, wherein the front end of the first adjusting block is provided with a first clamping half groove for accommodating a clamping head, the second adjusting block is provided with a second clamping half groove symmetrical to the first clamping half groove, one end of a pre-tightening spring is fixed on the adjusting block, and the other end of the pre-tightening spring is arranged in a spring groove of a rod body.

In a further improvement, the upper end of the first adjusting block is provided with a first bulge, and the lower end of the second adjusting block is provided with a second bulge.

In a further improvement, a fixed rod is arranged in the groove, and the rotating block is sleeved on the fixed rod.

Compared with the prior art, the ratchet wheel type movable joint has the beneficial effects that:

the angle multi-stage adjustment between subassembly one, subassembly two and the pole body can be through stable locking of dop, can go deep into to carry out the quick installation or the dismantlement of screw in the narrow and small space of different situation, convenient to use.

The rotating rod with the inclined guide surface and the vertical clamping groove is matched with the ratchet rod with the ratchet groove for use, and according to the installation or disassembly requirements of the screw, the screw can be installed or disassembled only by adjusting the position of the rotating rod.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic diagram of the structure of the explosion diagram of the present invention

FIG. 3 is a schematic view of the internal structure of the present invention

FIG. 4 is a schematic view of the horizontal structure of the present invention

FIG. 5 is a schematic view of the rotating lever of the present invention

FIG. 6 is a schematic view showing the position of the rotating lever engaging the ratchet lever according to the present invention

In the figure, 1-rod body, 11-adjusting block, 111-adjusting block I, 1111-clamping half groove I, 1112-protrusion I, 112-adjusting block II, 1121-clamping half groove II, 1122-protrusion II, 12-pre-tightening spring, 13-clamping head, 14-slotting, 15-spring groove, 16-fixing rod, 2-component I, 21-connecting sleeve, 211-through hole I, 212-through hole II, 213-bolt, 214-groove, 22-rotating block, 221-clamping groove, 3-component II, 31-tool bit sleeve, 32-ratchet rod, 321-ring groove, 322-ratchet groove, 4-clasp ring, 41-through hole III, 5-rotating rod, 51-spring, 52-one-way passing part, 521-vertical clamping groove, 522-inclined guide surface.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solution of the present invention is further described below with reference to the following embodiments and accompanying drawings 1 to 6.

Example 1

A ratcheting slip joint, comprising: the utility model provides a pole body 1, subassembly one 2 and subassembly two 3, subassembly one 2 includes adapter sleeve 21 and the turning block 22 of locating the adapter sleeve 21 upper end, subassembly two 3 includes tool bit sleeve 31 and the ratchet rod 32 of locating tool bit sleeve 31 upper end, be equipped with regulating block 11 on the pole body 1, the regulating block 11 rear end is equipped with pretension spring 12, regulating block 11 front end is equipped with dop 13, be equipped with fluting 14 on the pole body 1, turning block 22 rotates and sets up in fluting 14, the turning block 22 is fitted with ring groove 221, dop 13 is located in the draw-in groove 221, ratchet rod 32 is located in the adapter sleeve 21, ratchet rod 32 lower extreme is equipped with annular 321, ratchet rod 32 upper end is equipped with ratchet groove 322, adapter sleeve 21 upper end is equipped with through-hole one 211, the adapter sleeve 21 outside is equipped with embraces ring 4, it is equipped with the through-hole three 41 coaxial with through-hole one 211 to embrace ring 4, be equipped with dwang 5 in the through-hole three 41, dwang 5 passes a through-hole 211 setting, the cover is equipped with spring 51 just on the dwang 5 spring 51 is located between embracing ring 4 and the adapter sleeve 21, the 5 tail ends of dwang are equipped with one-way portion 52 of passing through, one-way portion 52 of passing through is located ratchet groove 322, one-way portion 52 of passing through left side is equipped with perpendicular draw-in groove 521, one-way portion 52 of passing through right side is equipped with slope spigot surface 522, the adapter sleeve 21 lower extreme is equipped with two 212 of through-hole, two 212 female connection in-hole have bolt 213, the bolt 213 tail end is located in annular 321.

As shown in fig. 1 to 6, the rear end of the shaft 1 is used for mounting a handle, the bit sleeve 31 is used for mounting a designated bit, when the screw is installed or disassembled in a narrow space, the adjusting block 11 is pushed backwards, the clamping head 13 at the front end of the adjusting block 11 moves backwards to be separated from the clamping groove 221 on the rotating block 22, after the first component 2 and the second component 3 are rotated by a certain angle according to actual conditions, and at the moment, after the first component 2 and the second component 3 move by a specified angle around the slot 14, the pushing on the adjusting block 11 is released, the adjusting block 11 enables the chuck 13 to move forwards under the resilience action of the pre-tightening spring 12 to be clamped into the clamping groove 221 at a new position, the rotating block 22 is locked and fixed, at the moment, the component I2, the component II 3 and the rod body 1 which mutually form a certain angle are moved to the designated positions in a narrow space, the cutter head at the lower end of the cutter head sleeve 31 is matched with the position of the screw, according to actual conditions, the angle of the rotating block 22 of the first adjusting assembly 2 is limited and fixed through the buckle 13.

Because the second through hole 212 of the connecting sleeve 21 is internally threaded with the bolt 213, and the tail end of the bolt 213 is arranged in the ring groove 321 of the ratchet rod 32, the connecting sleeve 21 can rotate relative to the second component 3, that is, the first component 2 can rotate relative to the second component 3; the rotating block 22 connected with the connecting sleeve 21 is clamped by the clamping head 13, the rod body 1 rotates to drive the component I2 to rotate, as shown in figure 6,

supposing that the screw anticlockwise rotates to be a pre-tightening direction, the control rod body 1 anticlockwise rotates so as to drive the first component 2 to synchronously anticlockwise rotate, because the left vertical clamping groove 521 of the one-way passing part 52 of the rotating rod 5 contacts and abuts against the left side of the ratchet groove 322, the second component 3 can only rotate along with the first component 2 anticlockwise synchronously, and then a screw pre-tightening end screw pitch is achieved, when the stroke of the rod body 1 reaches one end of a narrow space, because the screw is screwed into the thread at the moment, the pre-tightening force is received, the second component 3 keeps unchanged along with the position of the screw, because the inclined guide surface 522 on the right side of the one-way passing part 52 of the rotating rod 5 is obliquely contacted with the right outer edge of the ratchet groove 322, the control rod body 1 and the first component 2 can rotate clockwise to a certain angle relative to the second component 3, the other end of the narrow space is achieved, and the steps are repeated, and the pre-tightening of the screw can be completed.

Assuming that the screw clockwise rotates to the unscrewing direction, the one-way passing portion 52 of the rotating rod 5 is only required to move upwards out of the ratchet groove 322 and then rotate 180 degrees, the rod body 1 is controlled to drive the first component 2 to rotate clockwise, the second component 3 is further driven to rotate clockwise, the screw is unscrewed to a certain pitch, the rod body 1 drives the first component 2 to rotate anticlockwise relative to the second component 2, and the unscrewing of the screw can be completed by repeating the steps.

As a further embodiment, the connecting sleeve 21 is provided with a groove 214, and the embracing ring 4 is clamped in the groove 214. As shown in fig. 2, the clasps 4 are pressed into the grooves 214 installed on the connecting sleeve 21, so that the clasps 4 can be installed quickly and stably without falling off.

As a further embodiment, the adjusting block 11 includes a first adjusting block 111 and a second adjusting block 112, a first clamping half groove 1111 for accommodating the clamping head 13 is disposed at the front end of the first adjusting block 111, a second clamping half groove 1121 which is symmetrical to the first clamping half groove 1111 is disposed on the second adjusting block 112, one end of the pre-tightening spring 12 is fixed to the adjusting block 11, and the other end of the pre-tightening spring 12 is disposed in the spring groove 15 of the shaft 1.

As shown in fig. 2 and 3, after the chuck 13 is pre-installed in the shaft body 1, the first adjusting block 111 is installed from top to bottom, after the second adjusting block 112 is installed from bottom to top, and after the chuck 13 is arranged in the first clamping half groove 1111 and the second clamping half groove 1121, the first adjusting block 111 and the second adjusting block 112 are connected in a clamping manner, so that the installation is fast and stable.

In a further embodiment, the first adjusting block 111 is provided with a first protrusion 1112 at the upper end, and the second adjusting block 112 is provided with a second protrusion 1122 at the lower end. As shown in FIG. 3, the first protrusion 1112 and the second protrusion 1122 are provided to facilitate pushing the adjusting block 11.

As a further embodiment, the slot 14 is provided with a fixing rod 16 therein, and the rotating block 22 is sleeved on the fixing rod 16.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.

Claims

1. A ratcheting slip joint, comprising: the connecting rod comprises a rod body, a first component and a second component, wherein the first component comprises a connecting sleeve and a rotating block arranged at the upper end of the connecting sleeve, the second component comprises a tool bit sleeve and a ratchet rod arranged at the upper end of the tool bit sleeve, a regulating block is arranged on the rod body, a pre-tightening spring is arranged at the rear end of the regulating block, a clamping head is arranged at the front end of the regulating block, a groove is formed in the rod body, the rotating block is rotatably arranged in the groove, a clamping groove is annularly arranged on the rotating block, the clamping head is arranged in the clamping groove, the ratchet rod is arranged in the connecting sleeve, a ring groove is arranged at the lower end of the ratchet rod, a ratchet groove is arranged at the upper end of the ratchet rod, a first through hole is arranged at the upper end of the connecting sleeve, a holding ring is arranged at the outer side of the connecting sleeve, a third through hole which is coaxial with the first through hole is arranged in the third through hole, the rotating rod passes through the first through hole, a spring is sleeved on the rotating rod, and is positioned between the holding ring and the connecting sleeve, dwang tail end is equipped with one-way portion of passing through, one-way portion of passing through is located the ratchet inslot, one-way portion of passing through left side is equipped with perpendicular draw-in groove, one-way portion of passing through right side is equipped with the slope spigot surface, the adapter sleeve lower extreme is equipped with through-hole two, two female connection in through-hole have the bolt, the bolt tail end is located in the annular.

2. A ratcheting type movable joint as claimed in claim 1, wherein the connecting sleeve is provided with a groove, and the hoop is clamped in the groove.

3. The ratchet type movable joint according to claim 1, wherein the adjusting block comprises a first adjusting block and a second adjusting block, a first clamping half groove for accommodating the clamping head is formed in the front end of the first adjusting block, a second clamping half groove symmetrical to the first clamping half groove is formed in the second adjusting block, one end of the pre-tightening spring is fixed to the adjusting block, and the other end of the pre-tightening spring is arranged in a spring groove of the rod body.

4. A ratcheting type slip joint according to claim 3, wherein the first adjusting block has a first protrusion at an upper end thereof and the second adjusting block has a second protrusion at a lower end thereof.

5. The ratcheting type movable joint as claimed in claim 1, wherein a fixed rod is provided in the slot, and the rotating block is sleeved on the fixed rod.