CN211680269U

CN211680269U - Telescopic rod structure and bolt cutter adopting same

Info

Publication number: CN211680269U
Application number: CN201922396526.7U
Authority: CN
Inventors: 张理; 宋虎
Original assignee: Zhangjiagang Zhongtianda Tools Co ltd
Current assignee: Zhangjiagang Zhongtianda Tools Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-16
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a telescopic link structure and adopt this telescopic link structure's bolt clipper, this telescopic link structure includes the dead lever, the slip pipe, the sleeve pipe, the dead lever is collapsible to the slip pipe in, the anterior outside at the slip pipe is established to sheathed tube rear portion cover, the slip pipe is located the winding on the outer circumference of the intraductal part of cover has the torsional spring, the originated tip and the end portion of torsional spring respectively with the slip pipe, sleeve pipe fixed connection, be provided with wide recess and the narrow recess that the interval that the several link up was arranged on the dead lever, sheathed tube anterior inboard is provided with the fixture block, the width of fixture block corresponds with the width of narrow recess, when the torsional spring is in natural state, the fixture block is located. This telescopic link structure only needs can easily realize the flexible of pole through rotatory sleeve pipe, under the effect of torsional spring, only needs to loosen the sleeve pipe and can make the relative position of dead lever and slip pipe remain stable convenient to use. The bolt clipper adopting the structure has the advantages that the clipper handle can stretch.

Description

Telescopic rod structure and bolt cutter adopting same

Technical Field

The utility model belongs to the technical field of hardware and tools, especially, relate to a telescopic link structure and adopt this telescopic link structure's bolt clipper.

Background

At present, telescopic rod structures on the market are many, the telescopic modes are different, but some telescopic structures are unstable, and some telescopic structures are troublesome. Meanwhile, the telescopic structure of the torsion spring is not much.

A wire clipper is a tool for cutting wires, and is generally used for cutting thick wires. The bolt clipper is generally formed by hinging a cutter head, a clamping plate, a clipper handle and the like through bolts. When the wire clipper is used for cutting short metal wires, the two clipper handles are opened, the clipper heads are separated, the metal wires with the cutting are placed between the two clipper heads, the two clipper handles are closed by force, the two clipper heads are closed oppositely, the force acting on the clipper handles is transmitted to the clipper heads, and the metal wires are cut off. In order to save labor, the length of the forceps handles is usually made longer so that the wire can be cut with a smaller force. At present, the length of a common forceps handle is fixed, so that the size of the whole wire clippers is increased, and the wire clippers are not convenient to store and carry.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: the shortcoming that exists to current telescopic link structure, the utility model provides a telescopic link structure and adopt this telescopic link structure's bolt clipper, this telescopic link structure is flexible convenient, and stable in structure adopts this telescopic link structure's bolt clipper simultaneously, and the length can be adjusted according to actual need to its length of pincers handle, conveniently uses in narrow and small space, can be more laborsaving cut the wire after the pincers handle is elongated, and convenient storage and carrying after the pincers handle shrink.

The technical scheme is as follows: the utility model provides a telescopic link structure, this telescopic link structure includes the dead lever, the slip pipe, the sleeve pipe, the dead lever is collapsible to the slip pipe in, the anterior outside at the slip pipe is established to sheathed tube rear portion cover, the winding has the torsional spring on the outer circumference of the part that the slip pipe is located the sleeve pipe, the originated tip of torsional spring and terminal portion respectively with the slip pipe, sleeve pipe fixed connection, be provided with wide recess and the narrow recess that the interval that the several link up was arranged on the dead lever, sheathed tube anterior inboard is provided with the fixture block, the width of fixture block corresponds with the width of narrow recess, when the torsional spring is in natural state, the fixture block is.

The outer circumference of the sleeve is provided with a plurality of strip-shaped grooves.

Two rows of wide grooves and narrow grooves which are arranged at intervals are symmetrically arranged on the fixed rod, and two corresponding clamping blocks are arranged inside the sleeve.

A bolt cutter comprises two cutter heads which are symmetrically arranged, two sides of the two cutter heads are symmetrically provided with a clamping plate respectively, the two cutter heads are hinged between the two clamping plates respectively through first bolts, rear ends of the two cutter heads are hinged with support arms respectively through second bolts, the front parts of the two support arms are overlapped and the overlapped parts are hinged through third bolts, the rear ends of the two support arms are fixedly connected with a clamp handle respectively, the clamp handle is the telescopic rod structure and comprises a fixed rod, a sliding tube and a sleeve, wherein the fixed rod is connected with the rear ends of the support arms, the fixed rod can be contracted into the sliding tube, the rear part of the sleeve is sleeved outside the front part of the sliding tube, the outer circumference of the part of the sliding tube in the sleeve is wound with a torsional spring, the starting end part and the tail end part of the torsional spring are fixedly connected with the sliding tube and the sleeve respectively, and the fixed rod is provided with a plurality, the inner side of the front part of the sleeve is provided with a clamping block, the width of the clamping block corresponds to that of the narrow groove, and when the torsion spring is in a natural state, the clamping block is positioned in the wide groove.

The rear part of the sliding tube is sleeved with a rubber anti-slip sleeve.

The rear end of the sliding pipe is provided with a hanging hole.

Has the advantages that: the utility model provides a telescopic link structure and adopt this telescopic link structure's bolt clipper has following beneficial effect: the telescopic rod structure can easily realize the extension and retraction of the rod only by rotating the sleeve, and the relative positions of the fixed rod and the sliding tube can be kept stable only by loosening the sleeve under the action of the torsion spring; meanwhile, the telescopic structure is composed of a fixed rod, a sliding tube, a sleeve, a torsion spring and the like, is cylindrical in appearance, is convenient to hold, and is simple in structure, not easy to damage and long in service time; moreover, the length of the wire clippers supported by the telescopic rod structure can be adjusted according to actual needs, the wire clippers can be used in a narrow space conveniently, metal wires can be cut off more laborsavingly after the clipper handles are lengthened, and the wire clippers are convenient to store and carry after the clipper handles are contracted.

Drawings

Fig. 1 is a schematic structural view of the telescopic rod structure after being stretched.

Fig. 2 is a schematic view of the structure of fig. 1 with the sleeve removed.

Fig. 3 is a schematic structural view of the telescopic rod after being contracted.

Figure 4 is a cross-sectional view of the cannula of figure 3 at plane a-a.

Fig. 5 is a schematic structural view of the bolt clipper adopting the telescopic rod structure.

In the figure: 1. a cutter head; 2. a splint; 3. a first bolt; 4. a second bolt; 5. a support arm; 6. a third bolt; 7. a forceps handle; 71. fixing the rod; 711. a wide groove; 712. a narrow groove; 72. a sliding tube; 721. a rubber anti-slip sleeve; 722. hanging holes; 73. A sleeve; 731. a clamping block; 732. a strip-shaped groove; 74. a torsion spring.

Detailed Description

The bolt clipper with the telescopic handle of the utility model is specifically explained with the attached drawings.

As shown in fig. 1, 2, 3, and 4, the present embodiment provides a telescopic rod structure, which includes a fixing rod 71, a sliding tube 72, and a sleeve 73, wherein the fixing rod 71 is retractable into the sliding tube 72, a rear portion of the sleeve 73 is sleeved on an outer side of a front portion of the sliding tube 72, a torsion spring 74 is wound around an outer circumference of a portion of the sliding tube 72 located in the sleeve 73, a start end portion and a tail end portion of the torsion spring 74 are respectively fixedly connected to the sliding tube 72 and the sleeve 73, the fixing rod 71 is provided with a plurality of through wide grooves 711 and narrow grooves 712 arranged at intervals, a latch 731 is disposed on an inner side of the front portion of the sleeve 73, a width of the latch 731 corresponds to a width of the narrow grooves 712, and when the torsion spring 74 is in a natural state.

When the rod needs to be extended and retracted, only the sleeve 73 needs to be rotated, the fixture block 731 in the sleeve 73 rotates along with the sleeve, when the sleeve 73 rotates to the side of the narrow groove 712, the sleeve 73 is pulled backwards, and slides to the next wide groove 711 from the narrow groove 712 until the length of the rod is adjusted to a proper length, and under the action of the torsion spring 74, the fixture block 731 is finally clamped in one wide groove 711, so that the extension process of the forceps handle is completed.

Preferably, the rear end of the fixing rod 71 and the front end of the sliding tube 72 are provided with a limiting structure, so that the sliding tube 72 cannot be separated from the fixing rod 71.

Preferably, the sleeve 73 may be made of plastic, which reduces the production cost and also reduces the weight of the bolt clipper.

Preferably, the sleeve 73 has a plurality of elongated grooves 732 on its outer circumference. This facilitates rotation of the sleeve 73 and prevents slippage. The anti-slip structure can also be a plurality of convex points or diamond-shaped groove lines.

Preferably, two rows of wide grooves 711 and narrow grooves 712 are symmetrically arranged on the fixing rod 71, and two corresponding latching blocks 731 are arranged inside the sleeve 73. Through the arrangement of the two rows of wide grooves 711 and the narrow grooves 712, the connection between the fixture blocks 731 and the wide grooves 711 is more stable, so that the relative positions of the fixing rod 71 and the sliding tube 72 are more stable, the extended length of the rod is stable and unchanged in the use process, and the rod is not easy to slip.

A wire clipper adopting the telescopic rod structure comprises two cutter heads 1 which are symmetrically arranged, two clamping plates 2 are symmetrically arranged on two sides of each cutter head 1, the two cutter heads 1 are hinged between the two clamping plates 2 through first bolts 3, the rear ends of the two cutter heads 1 are hinged with supporting arms 5 through second bolts 4, the front parts of the supporting arms 5 are partially overlapped and the overlapped parts are hinged through third bolts 6, the rear ends of the two supporting arms 5 are fixedly connected with clamp handles 7 respectively, the clamp handles 7 are the telescopic rod structure and comprise a fixing rod 71, a sliding tube 72 and a sleeve 73, wherein the fixing rod 71 is connected with the rear ends of the supporting arms 5, the fixing rod 71 can be retracted into the sliding tube 72, the rear part of the sleeve 73 is sleeved on the outer side of the front part of the sliding tube 72, a torsion spring 74 is wound on the outer circumference of the part, located in the sleeve 73, of the sliding tube 72, and the starting end part and the tail end part of the, The sleeve 73 is fixedly connected, the fixing rod 71 is provided with a plurality of through wide grooves 711 and narrow grooves 712 which are arranged at intervals, the inner side of the front part of the sleeve 73 is provided with a fixture block 731, the width of the fixture block 731 corresponds to the width of the narrow grooves 712, and when the torsion spring 74 is in a natural state, the fixture block 731 is positioned in the wide grooves 711.

When the forceps handles are contracted to the shortest, the fixture block 731 is positioned in the wide groove 711 closest to the support arm 5, when the forceps handles need to be extended, only the sleeve 73 needs to be rotated, the forceps handles 7 are adjusted to the proper length, and under the action of the torsion spring 74, the fixture block 731 is finally clamped in one wide groove 711, so that the extension process of the forceps handles is completed. The clamping block 731 can be selected to be clamped in the wide groove 711 at which position according to actual needs, so that the length of the clamp handle is selected to be suitable, the clamp handle is convenient to use in a narrow space, and the metal wire can be cut off more easily by the lengthened clamp handle. The contracted forceps handle is convenient to store and carry. Simultaneously, this extending structure adopts dead lever, slip tube, sleeve pipe and torsional spring etc. to constitute, and the outward appearance is cylindricly, conveniently grips to simple structure is not fragile, and the live time is long.

Preferably, the rear part of the sliding tube 72 is sleeved with a rubber anti-slip sleeve 721 to facilitate taking the bolt clipper.

Preferably, the rear end of the sliding tube 72 is provided with a hanging hole 722, so that the bolt clipper can be hung on the hook, and the bolt clipper is convenient to store.

The embodiments of the present invention have been described in detail, and to those skilled in the art, according to the idea of the embodiments of the present invention, there are changes in the specific implementation and application range, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A telescopic rod structure is characterized in that: the telescopic rod structure comprises a fixing rod (71), a sliding pipe (72) and a sleeve (73), wherein the fixing rod (71) can be retracted into the sliding pipe (72), the rear part of the sleeve (73) is sleeved on the outer side of the front part of the sliding pipe (72), the sliding pipe (72) is positioned in the sleeve (73), a torsion spring (74) is wound on the outer circumference of the part of the sliding pipe (72) in a winding manner, the starting end part and the tail end part of the torsion spring (74) are respectively and fixedly connected with the sliding pipe (72) and the sleeve (73), the fixing rod (71) is provided with a plurality of penetrating wide grooves (711) and narrow grooves (712) which are arranged at intervals, the inner side of the front part of the sleeve (73) is provided with a clamping block (731), the width of the clamping block (731) corresponds to the width of the narrow grooves (712), and.

2. A telescopic rod structure according to claim 1, characterized in that: a plurality of elongated grooves (732) are arranged on the outer circumference of the sleeve (73).

3. A telescopic rod structure according to claim 1, characterized in that: two rows of wide grooves (711) and narrow grooves (712) which are arranged at intervals are symmetrically arranged on the fixing rod (71), and two corresponding clamping blocks (731) are arranged inside the sleeve (73).

4. The bolt clipper adopting the telescopic rod structure as claimed in claim 1, characterized in that: this bolt clipper includes tool bit (1) that two mutual symmetries set up, the both sides of two tool bit (1) are the symmetry respectively and are equipped with a splint (2), two tool bit (1) articulate between two splint (2) through first bolt (3) respectively, two tool bit (1) rear end articulates through second bolt (4) respectively has support arm (5), two support arm (5) front portion partially overlap and overlap the part and pass through third bolt (6) articulated in opposite directions, two support arm (5) rear end is fixedly connected with pincers handle (7) respectively, this pincers handle (7) do telescopic link structure, wherein dead lever (71) are connected with support arm (5) rear end.

5. The bolt clipper of claim 4, wherein: the rear part of the sliding tube (72) is sleeved with a rubber anti-slip sleeve (721).

6. The bolt clipper of claim 4, wherein: the rear end of the sliding pipe (72) is provided with a hanging hole (722).