CN212825037U

CN212825037U - Pneumatic ratchet spanner rotating hook type hoop tool

Info

Publication number: CN212825037U
Application number: CN202021518357.6U
Authority: CN
Inventors: 王鹏程; 莫洪亮; 潘圆君; 鲁晓枫; 沈狄龙; 董伟民; 冯春燕; 马小平; 潘立刚; 来国海
Original assignee: Hangzhou Electric Power Equipment Manufacturing Co ltd Xiaoshan Xin Mei Complete Set Of Electrical Manufacturing Branch; Hangzhou Power Equipment Manufacturing Co Ltd
Current assignee: Hangzhou Electric Power Equipment Manufacturing Co ltd Xiaoshan Xin Mei Complete Set Of Electrical Manufacturing Branch; Hangzhou Xinmei Electrical Equipment Manufacturing Co ltd; Hangzhou Power Equipment Manufacturing Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-30
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a rotatory couple formula staple bolt instrument of pneumatic ratchet spanner, include the pneumatic ratchet spanner body as the main part, the peripheral cover of waist of pneumatic ratchet spanner body be equipped with the staple bolt, staple bolt upper end be equipped with two protruding pieces, protruding piece on open and to have the screw, it has the screw rod to peg graft in the screw of two protruding pieces, the one end of screw rod be equipped with fixation nut, screw rod top be equipped with the spring balancer, the spring balancer on be equipped with and connect the rope, connection rope one end system have the becket bridle, becket bridle cup joint with the screw rod. The utility model overcomes the problem that the workers are susceptible to fatigue due to the heavy weight of the traditional pneumatic ratchet wrench in the prior art during long-time operation. The utility model has the advantages of simple structure, convenient use, long service life and the like.

Description

Pneumatic ratchet spanner rotating hook type hoop tool

Technical Field

The utility model relates to a ratchet spanner field, more specifically say, relate to a rotatory couple formula staple bolt instrument of pneumatic ratchet spanner.

Background

According to statistics, in the assembly line of the unit drawer of the low-voltage switch cabinet, when the upper pile busbar and the lower pile busbar of the circuit breaker are assembled, the unit drawer space is narrow, and a perforated pneumatic ratchet wrench is needed for fastening bolts. As the weight of the perforated pneumatic ratchet wrench reaches 2.4kg, the hand fatigue of the staff is tired after long-time working. Therefore, the perforated pneumatic ratchet wrench needs to be hung by an upward force, so that the labor intensity is saved. And because the spanner for fastening the bolt in the perforated pneumatic ratchet spanner rotates in one direction, the perforated pneumatic ratchet spanner needs to rotate 180 degrees when the bolt is disassembled and fastened. Therefore, a bearing and an anchor ear are assembled at the gravity center of the perforated pneumatic ratchet wrench, and a spring balancer is hung on the anchor ear. The rotation and the suspension of the perforated pneumatic ratchet wrench are ensured, staff use less force to operate, the labor intensity is reduced, and the assembly quantity of the whole busbar of the drawer of the low-voltage switchgear unit is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the traditional pneumatic ratchet spanner that exists among the prior art because the workman is susceptible to the tired problem of hand fatigue when the great long-time operation of weight of itself, now provide a rotatory couple formula staple bolt instrument of pneumatic ratchet spanner that has reducible intensity of labour.

The utility model discloses a rotatory couple formula staple bolt instrument of pneumatic ratchet spanner, include the pneumatic ratchet spanner body as the main part, the peripheral cover of waist of pneumatic ratchet spanner body be equipped with the staple bolt, staple bolt upper end be equipped with two protruding pieces, protruding piece on open and to have the screw, it has the screw rod to peg graft in the screw of two protruding pieces, the one end of screw rod be equipped with fixation nut, screw rod top be equipped with the spring balancer, the spring balancer on be equipped with and connect the rope, connection rope one end system have the becket bridle, becket bridle cup joint with the screw rod.

When the pneumatic ratchet wrench is used, a user only needs to sow the air pipe into the air hole of the pneumatic ratchet wrench body, holds the handle of the pneumatic ratchet wrench body by hand, then hangs the spring balancer to a required working area, and then fastens a required bolt by using the ratchet wheel.

The utility model discloses according to principles such as object focus, coefficient of friction, utilize the focus of pneumatic ratchet spanner body, the characteristic that bearing frictional force is little, the staple bolt fastens is hung the design on the spring balancer and can be reduced staff intensity of labour, guarantees 360 rotatory freedom of pneumatic ratchet spanner, saves bolt-up time.

Preferably, the pneumatic ratchet wrench body comprises a ratchet wheel piece and a handle, a buffer groove is formed in the lower end face of the handle, and a buffer device used for protecting the handle is arranged in the buffer groove.

Preferably, the buffer device comprises fixing plates which are respectively arranged on the left side and the right side of the top of the buffer groove, a spring pin is arranged at the lower end of each fixing plate, a buffer plate is arranged at the lower end of each spring pin, a first spring is sleeved on each spring pin, and the upper end and the lower end of each first spring are respectively welded with the lower end of each spring pin and the upper end face of each buffer plate.

Preferably, a long pin rod is arranged between the buffer plate and the fixing plate, limiting blocks are arranged at the left end and the right end of the long pin rod respectively, a pin hole used for installing the long pin rod is formed in the center of each limiting block, the bottom of each limiting block is welded with the upper end face of the buffer plate, a second spring is sleeved on the periphery of the long pin rod, compression rings are welded at the left end and the right end of the second spring respectively, push rods are welded at the side ends of the compression rings, rocker arms are hinged to the other ends of the push rods, the other ends of the rocker arms are hinged to one ends of hinge blocks, and the other ends of the hinge blocks are welded with the sides of the fixing plate.

When the user is handheld to the handle, the buffer board can be extruded earlier to user's hand, the buffer board be the better rubber slab of elasticity, spring catch can extrude a spring in extrusion process, can absorb the pressure that the hand brought at a spring deformation in-process, when a spring is compressed, the buffer board can rise slightly, can drive push rod and clamping ring and go to extrude No. two springs at the in-process rocking arm that rises, realizes through the deformation of a spring and No. two springs the utility model discloses a multistage buffer function to the protection plate body, the extension the utility model discloses a life.

The utility model discloses following beneficial effect has: simple structure, convenient use and long service life.

Drawings

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

Fig. 2 is a front view of the pneumatic ratchet wrench body of the present invention.

Fig. 3 is a side view of the pneumatic ratchet wrench body of the present invention.

Fig. 4 is a schematic structural diagram of the buffering device of the present invention.

The pneumatic ratchet wrench comprises a pneumatic ratchet wrench body 1, an anchor ear 2, a protrusion piece 3, a screw hole 4, a screw rod 5, a fixing nut 6, a spring balancer 7, a steel wire rope 8, a connecting ring 9, a ratchet piece 10, a handle 11, a buffer groove 12, a fixing plate 13, a spring pin 14, a buffer plate 15, a first spring 16, a long pin rod 17, a limiting block 18, a second spring 20, a pressing ring 21, a push rod 22, a rocker arm 23 and a hinge block 24.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): according to attached figure 1, attached figure 2, attached figure 3 and attached figure 4 explain further the utility model discloses a rotatory couple formula staple bolt instrument of pneumatic ratchet spanner of this example, include the pneumatic ratchet spanner body 1 as the main part, the peripheral cover of waist of pneumatic ratchet spanner body 1 staple bolt 2 is equipped with, staple bolt 2 upper end be equipped with two bellyings 3, bellyings 3 on open and to have screw 4, it has screw rod 5 to peg graft in 4 screws of two bellyings 3, screw rod 5's one end be equipped with fixation nut 6, screw rod 5 top be equipped with spring balancer 7, spring balancer 7 on be equipped with wire rope 8, wire rope 8 one end be equipped with go-between 9, go-between 9 cup joint mutually with screw rod 5.

The pneumatic ratchet wrench body 1 comprises a ratchet member 10 and a handle 11, a buffer groove 12 is formed in the lower end face of the handle 11, and a buffer device for protecting the handle 11 is arranged in the buffer groove 12.

The buffer device comprises fixing plates 13 respectively arranged on the left side and the right side of the top of the buffer groove 12, a spring pin 14 is installed at the lower end of each fixing plate 13, a buffer plate 15 is arranged at the lower end of each spring pin 14, a spring 16 is sleeved on each spring pin 14, and the upper end and the lower end of each spring 16 are respectively welded with the lower end of each spring pin 14 and the upper end face of each buffer plate 15.

Buffer board 15 and fixed plate 13 between be equipped with long round pin pole 17, long round pin pole 17 about both ends be equipped with stopper 18 respectively, stopper 18 center be equipped with the pinhole that is used for installing long round pin pole 17, stopper 18 bottom and 15 up end of buffer board weld mutually, the peripheral cover of long round pin pole 17 have No. two springs 20, No. two springs 20 about both ends weld respectively have clamping ring 21, the side welding of clamping ring 21 have push rod 22, the push rod 22 other end articulated have rocking arm 23, the other end of rocking arm 23 articulate mutually with 24 one end of hinge block, the other end and the fixed plate 13 side of hinge block 24 weld mutually.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a rotatory couple formula staple bolt instrument of pneumatic ratchet spanner, includes pneumatic ratchet spanner body (1) as the main part, characterized by, the peripheral cover of waist of pneumatic ratchet spanner body (1) staple bolt (2), staple bolt (2) upper end be equipped with two protruding pieces (3), protruding piece (3) go up to open and to have screw (4), it has screw rod (5) to peg graft in screw (4) of two protruding pieces (3), the one end of screw rod (5) be equipped with fixation nut (6), screw rod (5) top be equipped with spring balancer (7), spring balancer (7) on be equipped with wire rope (8), wire rope (8) one end be equipped with go-between (9), go-between (9) cup joint mutually with screw rod (5).

2. The pneumatic ratchet wrench rotary hook type hoop tool is characterized in that the pneumatic ratchet wrench body (1) comprises a ratchet member (10) and a handle (11), a buffer groove (12) is formed in the lower end face of the handle (11), and a buffer device for protecting the handle (11) is arranged in the buffer groove (12).

3. The pneumatic ratchet wrench rotary hook type hoop tool is characterized in that the buffering device comprises fixing plates (13) which are respectively arranged on the left side and the right side of the top of the buffering groove (12), a spring pin (14) is arranged at the lower end of each fixing plate (13), a buffering plate (15) is arranged at the lower end of each spring pin (14), a first spring (16) is sleeved on each spring pin (14), and the upper end and the lower end of each first spring (16) are respectively welded with the lower end of each spring pin (14) and the upper end face of each buffering plate (15).

4. The pneumatic ratchet wrench rotary hook type hoop tool as claimed in claim 3, a long pin rod (17) is arranged between the buffer plate (15) and the fixed plate (13), the left end and the right end of the long pin rod (17) are respectively provided with a limiting block (18), the center of the limiting block (18) is provided with a pin hole for installing the long pin rod (17), the bottom of the limiting block (18) is welded with the upper end surface of the buffer plate (15), a second spring (20) is sleeved on the periphery of the long pin rod (17), the left end and the right end of the second spring (20) are respectively welded with a press ring (21), a push rod (22) is welded at the side end of the compression ring (21), the other end of the push rod (22) is hinged with a rocker arm (23), the other end of the rocker arm (23) is hinged with one end of a hinge block (24), the other end of the hinge block (24) is welded with the side edge of the fixed plate (13).