CN105033909B - A kind of even mode Multifunctional sleeve - Google Patents

Abstract

The invention discloses a multi-functional sleeve with continuous adjustment, which comprises a sleeve body, a sliding sleeve, telescopic tiger teeth, a limit sleeve, a sleeve outer cover, a connecting cylinder, and a handle. The upper end of the barrel body is provided with a limit protrusion, and the telescopic tiger teeth are installed in the tiger tooth slots through the positioning pins. There is a V-shaped protrusion on the outside. The outer surface of the sliding sleeve is provided with outer thread teeth. The limit sleeve is set on the lower end of the sleeve body. The surface is provided with inner wire teeth, and the sleeve body is connected to the handle through the connecting cylinder. The invention uses the thread structure of the sleeve jacket and the sliding sleeve, and the sleeve jacket is turned to drive the sliding sleeve to move up, and the telescopic tiger teeth are pressed down, so that the telescopic tiger teeth are retracted into the clamping nut or screw, which can replace the traditional wrench or complete set The cylinder improves the operating efficiency, reduces the burden on the operating personnel and reduces the cost of the equipment.

Description

A multi-functional sleeve with continuous adjustment

technical field

The invention relates to a power supply operation device, in particular to an adjustable multifunctional sleeve.

Background technique

The non-stop operation of the distribution network will gradually become the main method of the State Grid Corporation of China's urban distribution network maintenance operations. According to the "Technical Guidelines for Live Work on Distribution Lines", the live work on the distribution network is divided into three categories: the first category (insulation pole operation method) - pruning branches, removing foreign objects, dismantling waste equipment and general deficiencies, breaking, Connect the upper lead wire of the dropout fuse, disconnect and connect the lead wire of the branch line; the second type (insulating glove operation method) - disconnect and connect the upper lead wire of the dropout fuse, disconnect and connect the lead wire of the branch line, and replace the straight rod insulator; The third category (insulation pole operation method) - replace the straight pole insulator, assemble or dismantle the straight pole. The heavy workload brings extremely high requirements to the configuration of tools, so the development of specialized live working tools is imperative.

There are many kinds of bolts and screws involved in distribution lines and transmission lines. There are only 15 types of hexagonal bolts ranging from Φ10mm to Φ302mm. There are 3 types of bolts and screws involved in the first type of live work, 4 types of bolts and screws involved in the second type of live work, and 4 types of bolts and screws involved in the third type of live work , and the above data does not include the irregularly shaped bolts and screws encountered in the demolition process due to severe corrosion.

At present, there are no tools suitable for the above situations on the market. Only the pipe wrench can initially meet the function of adjusting bolts and screws of various sizes. However, the size of the pipe wrench is large, and it cannot meet the requirements of small action range for live work. Therefore, a series of socket tools must be prepared for each job. A set of traditional socket tools and wrenches weigh about 5 kilograms, and carrying and using them will bring considerable physical energy consumption to the operators.

Contents of the invention

Aiming at the above-mentioned problems in the prior art, the present invention proposes an adjustable multifunctional sleeve, which is suitable for various bolts and screws commonly used in distribution line operations.

The technical solution of the present invention is: including the sleeve body, sliding sleeve, telescopic tiger teeth, limit sleeve, sleeve jacket, connecting cylinder, and handle, wherein:

The sleeve body is a cylindrical cylinder, and the side of the sleeve body is provided with three tiger tooth grooves evenly distributed around the axis of the sleeve body, and the upper end of the sleeve body is provided with a limit protrusion, The inner surface of the sleeve body is distributed with a number of bar-shaped teeth extending axially along the sleeve body, the tiger tooth grooves communicate with the outer surface and the inner surface of the sleeve body, and the two sides of each tiger tooth groove There is a positioning pin hole perpendicular to the side of the tiger tooth groove, and the positioning pin hole communicates with the outer surface of the sleeve body and the tiger tooth groove;

The telescopic tiger tooth is a rectangular block located in the slot of the tiger tooth, and the left and right sides of the telescopic tiger tooth are provided with tiger tooth pin holes matching the positioning pin holes, and the tiger tooth pin holes on both sides are connected And perpendicular to the left and right sides of the telescopic tiger teeth, the telescopic tiger teeth are inserted into the positioning pin holes and the tiger tooth pin holes through the positioning pins to connect with the sleeve body, and the side of the telescopic tiger teeth close to the sleeve body is provided with a parallel For the tiger teeth of the bar-shaped locking teeth, the side of the telescopic tiger teeth away from the sleeve body is provided with a V-shaped locking groove parallel to the pin holes of the tiger teeth;

The inner surface of the sliding sleeve matches the outer surface of the sleeve body, and the inner surface of the sliding sleeve is provided with a V-shaped protrusion matching the V-shaped slot, and the outer surface of the sliding sleeve There are outer thread teeth, the sliding sleeve is set on the outer surface of the sleeve body and is stuck in the V-shaped groove of the telescopic tiger tooth through the V-shaped protrusion, and the sliding sleeve is also provided with a positioning pin hole and a tiger-tooth pin Holes connected to each other;

The limit sleeve is fixed on the lower end of the sleeve body and the inner surface of the limit sleeve matches the outer surface of the sleeve body;

The outer diameters of the limiting protrusion and the limiting sleeve are the same, the outer sleeve of the sleeve is sleeved outside the limiting protrusion and the limiting sleeve, and the inner surface of the sleeve outer is provided with the outer thread teeth of the sliding sleeve. Matching inner wire teeth;

The handle includes a connection part and a handle part, the connection part is provided with a connection hole, and the handle part is provided with an insulating sleeve;

The upper end of the connecting cylinder is fixed inside the sleeve body, and the lower end of the connecting cylinder is fixed in the connecting hole of the handle.

Furthermore, a ratchet structure is also provided in the connecting part of the handle, and the ratchet structure includes a pawl, a top ball, a spring and a gear fixedly sleeved on the lower end of the connecting cylinder, and the ratchet is arranged inside the connecting part through a connecting shaft , the front end of the pawl is provided with two ratchets, the rear end of the pawl is provided with arc-shaped protrusions, and the left and right sides of the pawl are provided with shifting blocks extending out of the connecting part. The inside of the connecting part is provided with a bead groove, and the bead and the spring are arranged in the bead groove.

Further, the outer surface of the sleeve jacket is a mesh rough surface.

When the sliding sleeve and telescopic tiger tooth of the present invention are installed, the telescopic tiger tooth is first put into the slot of the tiger tooth, and then the sliding sleeve is put on so that the jack, the positioning pin hole, and the tiger tooth pin hole are on the same straight line, and then the positioning The pin is inserted into the positioning pin hole and the tiger tooth pin hole from the jack, thereby connecting the telescopic tiger tooth with the sleeve body and making the telescopic tiger tooth rotatable around the positioning pin.

The invention utilizes the inner thread teeth of the sleeve jacket and the outer thread teeth of the sliding sleeve to drive the sliding sleeve to move up and down by rotating the sleeve jacket, and then controls the upper end of the telescopic tiger tooth to press down or lift through the V-shaped protrusion of the sliding sleeve. In order to realize the inward or outward retraction of the telescopic tiger teeth, the distance between the telescopic tiger teeth can be adjusted, and finally bolts or screws of different specifications and sizes can be clamped, and the bolts or screws can be clamped through the tiger tooth structure of the telescopic tiger teeth. The screw grips firmly to avoid slippage.

Compared with prior art, the beneficial effect of the present invention is:

①The present invention is easy to adjust through the thread structure between the sliding sleeve and the sleeve body, and truly realizes the continuous adjustment of the rotation and gradual change of the tooth spacing. It is applicable to nuts and screws of any specification and size in the stroke, and uses one tool It can replace the traditional wrench and complete set of sockets to complete the live work, shortening the working time by more than 15%, and greatly improving the working efficiency;

② The present invention uses less materials and has low production cost. The production cost of the whole set is only tens of yuan, and the price of a complete set of sleeve is several hundred yuan, which greatly reduces the cost of live working equipment;

③ The total weight of the present invention is less than 1kg, while the total weight of a complete set of sleeves and wrenches is about 5kg, so the use of the present invention greatly reduces the total load of the tools carried by the operator, and reduces the physical energy consumption of the operator;

④ The present invention can effectively grasp rusty and deformed nuts, screws and other structures through the unique tiger tooth structure, so as to realize the removal of rusted bolts and expand the scope of application of the appliance;

⑤ The present invention increases the friction force of the outer surface through the mesh rough surface structure of the outer surface of the sleeve jacket, making the adjustment more convenient;

⑥The present invention limits the rotation direction of the gear through the ratchet structure, which improves the firmness of the connection between the connecting cylinder and the handle, and shortens the stroke of the operator during operation, which makes the operation more convenient and saves physical energy.

Description of drawings

Fig. 1 is a three-dimensional structure diagram of the sleeve body and telescopic tiger teeth of the present invention.

Fig. 2 is a three-dimensional structure diagram of the telescopic tiger tooth of the present invention.

Fig. 3 is a three-dimensional structure diagram of the sliding sleeve of the present invention.

Fig. 4 is a top view of the sliding sleeve of the present invention.

Fig. 5 is a three-dimensional structure diagram of the position-limiting sleeve of the present invention.

Fig. 6 is an assembly drawing of the sleeve body, telescopic tiger teeth, sliding sleeve and limit sleeve of the present invention.

Fig. 7 is a top view of the contracted state of the telescopic tiger teeth of the present invention.

Fig. 8 is a top view of the loosened state of the telescopic tiger teeth of the present invention.

Figure 9 is a side view of the present invention.

Figure 10 is a bottom view of the present invention.

Among them: 1-sleeve body, 101-tiger tooth groove, 102-limiting protrusion, 103-strip clamping tooth, 104-locating pin hole, 2-telescopic tiger tooth, 201-tiger tooth pin hole, 202-tiger Teeth, 203-V-type card slot, 3-sliding sleeve, 301-V-type protrusion, 302-jack, 4-limit sleeve, 5-sleeve jacket, 6-connecting cylinder, 7-handle, 701-connection Part, 702-handle, 703-connecting hole, 704-insulation sleeve, 705-top bead groove, 8-pawl, 801-ratchet, 802-arc protrusion, 803-shift block, 9-top bead, 10- Spring, 11-gear, 12-connecting shaft.

detailed description

The technical solutions in the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 6-10, the present invention includes a sleeve body 1, a telescopic tiger tooth 2, a sliding sleeve 3, a limit sleeve 4, a sleeve jacket 5, a connecting cylinder 6, and a handle 7, wherein:

As shown in Figure 1, the sleeve body 1 is a cylindrical cylinder, and the side of the sleeve body 1 is provided with three tiger tooth grooves 101 evenly distributed around the axis of the sleeve body 1. The upper end of the sleeve body 1 is provided with a limit protrusion 102, and the inner surface of the sleeve body 1 is distributed with a number of bar-shaped latches 103 extending axially along the sleeve body 1, and the tiger tooth groove 101 communicates with the sleeve body 1 The outer surface and the inner surface of each tiger tooth groove 101 are provided with a positioning pin hole 104 perpendicular to the side of the tiger tooth groove 101, and the positioning pin hole 104 communicates with the outer surface of the sleeve body 1 and the tiger tooth slot 101;

As shown in Figure 2, the telescopic tiger tooth 2 is a rectangular block located in the tiger tooth groove 101, and the left and right sides of the telescopic tiger tooth 2 are provided with tiger tooth pin holes matching the positioning pin holes 104 201, and the tiger tooth pin holes 201 on both sides communicate and are perpendicular to the left and right sides of the telescopic tiger tooth 2. The tooth pin hole 201 is connected with the sleeve body 1, the side of the telescopic tiger tooth 2 close to the sleeve body 1 is provided with a tiger tooth 202 parallel to the bar-shaped locking tooth 103, and the telescopic tiger tooth 2 is far away from the sleeve body One side of 1 is provided with a V-shaped card slot 203 parallel to the tiger tooth pin hole 201;

As shown in Figure 3 and Figure 4, the inner surface of the sliding sleeve 3 matches the outer surface of the sleeve body 1, and the inner surface of the sliding sleeve 3 is provided with a V-shaped groove 203 that matches the The V-shaped protrusion 301, the outer surface of the sliding sleeve 3 is provided with outer thread teeth, the sliding sleeve 3 is set on the outer surface of the sleeve body 1 and is stuck on the V of the telescopic tiger tooth 2 through the V-shaped protrusion 301. Type card slot 203, the sliding sleeve 3 is also provided with a socket 302 communicating with the positioning pin hole 104 and the tiger tooth pin hole 201;

As shown in Figure 5, the limit sleeve 4 is fixed on the lower end of the sleeve body 1 and the inner surface of the limit sleeve 4 matches the outer surface of the sleeve body 1;

As shown in Figure 6, the outer diameters of the position-limiting protrusion 102 and the position-limiting sleeve 4 are consistent, and the outer sleeve 5 is sleeved on the outside of the position-limiting protrusion 102 and the position-limiting sleeve 4, and the outer diameter of the sleeve is The inner surface of 5 is provided with the inner thread tooth (not shown in the accompanying drawing) that matches the outer thread tooth of sliding sleeve 3, and the outer surface of described sleeve coat 5 is a mesh matte surface;

The handle 7 includes a connection portion 701 and a handle portion 702, the connection portion 701 is provided with a connection hole 703, and the handle portion 702 is provided with an insulating sleeve 704;

The upper end of the connecting cylinder 6 is fixed inside the sleeve body 1 , and the lower end of the connecting cylinder 6 is fixed in the connecting hole 703 of the handle 7 .

The connecting part 701 of the handle 7 is also provided with a ratchet structure, the ratchet structure includes a pawl 8, a top ball 9, a spring 10 and a gear 11 fixedly sleeved on the lower end of the connecting cylinder 1, and the ratchet 8 passes through the connecting shaft. 12 is arranged inside the connecting part 701, the front end of the pawl 8 is provided with two ratchet teeth 801, the rear end of the pawl 8 is provided with an arc-shaped protrusion 802, and the left and right sides of the pawl 8 are provided with There is a shifting block 803 protruding out of the connecting portion 701 , and the inside of the connecting portion 701 is provided with a bead groove 705 , and the bead 9 and the spring 10 are arranged in the bead groove 705 .

When using the present invention, the upper end of the sleeve body 1 is inserted into the nut or screw rod to be turned, and then the sleeve outer cover 5 is turned to make the sliding sleeve 3 rise, and the sliding sleeve 3 presses down the upper end of the telescopic tiger tooth 2, so that the telescopic tooth 2 is stretched. The tiger tooth 2 shrinks inwards to clamp the nut or the screw; when the nut or the screw needs to be loosened, the dial 803 on the pawl 8 is moved to change the rotation direction of the gear 11, and then the sleeve outer 5 is rotated in the opposite direction so that Sliding sleeve 3 descends, and telescopic tiger tooth 2 is laid flat outwards and then unclamps nut or screw rod.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (3)

1. A multifunctional sleeve with continuous adjustment, characterized in that: it includes a sleeve body (1), a sliding sleeve (3), a telescopic tiger tooth (2), a limit sleeve (4), a sleeve jacket (5), Connecting cylinder (6), handle, wherein: The sleeve body (1) is a cylindrical column, and the side of the sleeve body (1) is provided with three tiger tooth grooves (101) evenly distributed around the axis of the sleeve body (1). The upper end of the sleeve body (1) is provided with a limit protrusion (102), and the inner surface of the sleeve body (1) is distributed with a number of bar-shaped latches (103) extending axially along the sleeve body (1). , the tiger tooth groove (101) communicates with the outer surface and the inner surface of the sleeve body (1), and the two sides of each tiger tooth groove (101) are provided with positioning pins perpendicular to the side of the tiger tooth groove (101) A hole (104), the positioning pin hole (104) communicates with the outer surface of the sleeve body (1) and the tiger tooth groove (101); The telescopic tiger teeth (2) are rectangular blocks arranged in the tiger tooth slots (101), and the left and right sides of the telescopic tiger teeth (2) are provided with tiger teeth matching the positioning pin holes (104). pin holes (201), and the tiger tooth pin holes (201) on both sides communicate and are perpendicular to the left and right sides of the telescopic tiger tooth (2), and the telescopic tiger tooth (2) is inserted into the positioning pin hole (104 ) and the tiger tooth pin hole (201) are connected with the sleeve body (1), and the side of the telescopic tiger tooth (2) close to the sleeve body (1) is provided with a tiger tooth parallel to the bar-shaped locking teeth (103) (202), the side of the telescopic tiger tooth (2) away from the sleeve body (1) is provided with a V-shaped slot (203) parallel to the tiger tooth pin hole (201); The inner surface of the sliding sleeve (3) matches the outer surface of the sleeve body (1), and the inner surface of the sliding sleeve (3) is provided with a matching V-shaped groove (203). V-shaped protrusions (301), the outer surface of the sliding sleeve (3) is provided with outer thread teeth, the sliding sleeve (3) is set on the outer surface of the sleeve body (1) and passed through the V-shaped protrusions (301 ) is stuck at the V-shaped card slot (203) of the telescopic tiger tooth (2), and the sliding sleeve (3) is also provided with a jack ( 302); The limit sleeve (4) is fixed on the lower end of the sleeve body (1) and the inner surface of the limit sleeve (4) matches the outer surface of the sleeve body (1); The outer diameters of the limiting protrusion (102) and the limiting sleeve (4) are consistent, and the outer sleeve (5) is sleeved on the outside of the limiting protrusion (102) and the limiting sleeve (4), and the The inner surface of the sleeve overcoat (5) is provided with inner thread teeth matching the outer thread teeth of the sliding sleeve (3); The handle (7) includes a connection part (701) and a handle part (702), the connection part (701) is provided with a connection hole (703), and the handle part (702) is provided with an insulating sleeve (704); The upper end of the connecting cylinder (6) is fixed inside the sleeve body (1), and the lower end of the connecting cylinder (6) is fixed in the connecting hole (703) of the handle. 2. The adjustable multifunctional sleeve according to claim 1, characterized in that: a ratchet structure is also provided in the connecting part (701) of the handle, and the ratchet structure includes a ratchet (8), a top ball (9), the spring (10) and the gear (11) fixedly sleeved on the lower end of the connecting cylinder (6), the pawl (8) is arranged inside the connecting part (701) through the connecting shaft (12), and the The front end of the pawl (8) is provided with two ratchets (801), the rear end of the pawl (8) is provided with an arc-shaped protrusion (802), and the left and right sides of the pawl (8) are provided with The shifting block (803) protruding out of the connecting part (701), the connecting part (701) is provided with a bead groove (705), and the bead (9) and spring (10) are arranged in the bead groove (705) Inside. 3. The adjustable multifunctional sleeve according to claim 1, characterized in that: the outer surface of the sleeve outer cover (5) is a mesh rough surface.