CN203045848U

CN203045848U - Corrugated pipe cutting knife simple and easy to use

Info

Publication number: CN203045848U
Application number: CN 201220748297
Authority: CN
Inventors: 何海潮; 王淳德
Original assignee: Suzhou Jwell Machinery Co Ltd
Current assignee: Suzhou Jwell Machinery Co Ltd
Priority date: 2012-12-31
Filing date: 2012-12-31
Publication date: 2013-07-10
Anticipated expiration: 2022-12-31

Abstract

The utility model discloses a corrugated pipe cutting knife simple and easy to use, wherein the corrugated pipe cutting knife simple and easy to use is used for cutting corrugated pipes, and bulge loops and concave loops are arranged on the outer wall faces of the corrugated pipes in a spacing mode. The corrugated pipe cutting knife comprises an arc-shaped knife rest, a plurality of guide wheel assemblies which are arranged on the knife rest and used for sliding along the concave loops of the corrugated pipes in a guiding mode, and a cutting tool which can be mounted on the knife rest in a flexible mode. The extensible direction of the cutting tool is the radius direction of the arc shape of the knife rest. Each guide wheel assembly comprises a supporting rod which is vertically and fixedly mounted on the knife rest, a socket and a guide pulley which is arranged on the socket in a free rotating mode, wherein the position of the socket can be adjusted and the socket is sleeved on the supporting rod. The extension direction of the supporting rod is the same as the axis directions of the corrugated pipes. The entire cutting knife is good in stability, the positions, corresponding to the axial positions of the corrugated pipes, of the guide pulleys can be regulated, and the corrugated pipe cutting knife simple and easy to use is guaranteed to be suitable for the corrugated pipes with the same specifications and different corrugation spacings. Meanwhile, the cutting tool is arranged along the radial direction in an extensible mode and can be adjusted according to different pipe internal diameters of the corrugated pipes. The corrugated pipe cutting knife simple and easy to use is simple in overall structure, convenient to operate, good in stability, and suitable for being popularized and used.

Description

A kind of simple and easy bellows cutter

Technical field

The utility model relates to cutter, particularly, relates to a kind of easy cutter that are used for bellows.

Background technology

Because the architectural characteristic of bellows when it is cut, for guaranteeing cutting accuracy, often needs stable knife rest to come to be the cutter guiding, and wishes that these cutter are simple in structure, light simultaneously, is convenient to operation.

The utility model content

The purpose of this utility model provides a kind of simple and easy bellows cutter, and it is simple in structure, easy to operate, and cutting is stable.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

A kind of simple and easy bellows cutter, be used for the cutting outside wall surface have separately bulge loop and the bellows of scrobicular ring, comprise the curve forming rest that the caliber with bellows is complementary, be arranged on a plurality of for the guide wheel units of sliding along the described scrobicular ring guiding of bellows on the described knife rest, can telescopically be loaded on the cutter on the described knife rest, the scalable direction of described cutter is the radial direction of the arc of described knife rest, described guide wheel units comprises that vertical fixing is installed in the support bar on the described knife rest, the position can be set in the block set on the described support bar with regulating, be arranged on the directive wheel on the described block set freely to rotate, the bearing of trend of described support bar is identical with the direction of axis line of described bellows.

Preferably, described support bar has external screw thread, described block set has internal thread, and described block set screw thread is installed on the described support bar, and the end away from described knife rest on the described support bar is provided with for the keeper that described block set is positioned on the described support bar.

Preferably, described keeper is a nut that circumferentially has opening, and this opening part is provided with and this opening can be drawn the locking member of little locking.

Preferably, the central angle of the arc correspondence of described knife rest is 90 °-180 °.

Preferably, these described guide wheel units are distributed in the both sides of described knife rest.

Preferably, described cutter is installed in the position of close any one described guide wheel units on the described knife rest.

Preferably, handle for holding operation is installed on the described knife rest.

Preferably, described handle is installed in the position of close any one described guide wheel units on the described knife rest.

Preferably, described cutter is installed in the position of close described handle on the described knife rest.

Preferably, described handle is direct rod shape, and its bearing of trend is the radial direction of the arc of described knife rest.

The beneficial effects of the utility model are: adopt bow that an external diameter with bellows is complementary as knife rest, and at knife rest guide wheel units is installed, to guarantee that cutter is along circumferential trend in the cutting process, a plurality of guide wheel units are distributed in the both sides of curve forming rest, to guarantee the walking stability of whole cutter, and directive wheel can be regulated corresponding to the position of bellows on axially, with the distance between the adjacent scrobicular ring of the bellows that guarantees to be adapted to different size, and knife rest is provided with the handle of being convenient to operate, the radially scalable setting of cutter simultaneously, can adjust telescopic location according to the different size of bellows, overall structure is simple, light, easy to operate, good stability is suitable for promoting the use of.

Description of drawings

Accompanying drawing 1 is looked schematic diagram for the master of simple and easy bellows cutter of the present utility model;

Accompanying drawing 2 is the schematic top plan view (removal handle) of accompanying drawing 1;

Accompanying drawing 3 is that simple and easy bellows cutter of the present utility model are applied to the schematic diagram (removal handle) on the bellows.

In the accompanying drawing: 1, knife rest; 2, guide wheel units; 21, support bar; 22, block set; 23, directive wheel; 24, handle; 3, cutter; 4, handle.

The specific embodiment

Do following detailed description the in detail below in conjunction with the utility model of embodiment shown in the drawings:

Shown in accompanying drawing 1 and accompanying drawing 2, simple and easy bellows cutter of the present utility model, be used for the cutting outside wall surface have separately bulge loop and the bellows of scrobicular ring, comprise the curve forming rest 1 that the caliber with bellows is complementary, be arranged on a plurality of for the guide wheel units 2 of sliding along the scrobicular ring of bellows guiding on the knife rest 1, can telescopically be loaded on the cutter 3 on the knife rest 1, the scalable direction of cutter 3 is the radial direction of the arc of knife rest 1, guide wheel units 2 comprises that vertical fixing is installed in the support bar 21 on the knife rest 1, the position can be set in the block set 22 on the support bar 21 with regulating, be arranged on the directive wheel 23 on the block set 22 freely to rotate, the bearing of trend of support bar 21 is identical with the direction of axis line of bellows, particularly, support bar 21 has external screw thread, block set 22 has internal thread, block set 22 screw threads are installed on the support bar 21, end away from knife rest 1 on the support bar 21 is provided with for the keeper 24 that block set 22 is positioned on the support bar 21, keeper 24 is a nut that circumferentially has opening, this opening part is provided with and this opening can be drawn the locking member of little locking, this locking member can be selected stove bolt or screw etc., and other can make the nut of opening be positioned at parts on the support bar, the corresponding pre-position that guide wheel units 2 is installed offers along the slotted hole of arc radius corresponding direction on the knife rest 1, these slotted holes make that guide wheel units 2 can be along float arranging on the arc radius corresponding direction, to offset because the influence of the irregular stability to whole cutter of bellows outer wall; Above-mentioned support bar 21 is selected screw rod for use, one end by nut and spacers on knife rest 1, the other end is used for installing block set 22, directive wheel 23 and keeper 24, the central angle of the arc correspondence of knife rest 1 is 90 °-180 °, consider further stability, this central angle preferably is chosen in 120 °-180 ° (its corresponding central angle is 180 ° among the embodiment shown in the Figure of description), these guide wheel units 2 are distributed in the both sides of knife rest 1, cutter 3 is installed in the position of close any one guide wheel units 2 on the knife rest 1, handle 4 for holding operation is installed on the knife rest 1, handle 4 is installed in the position of close any one guide wheel units 2 on the knife rest 1, cutter 3 is installed in the position of close handle 4 on the knife rest 1, handle 4 is direct rod shape, and its bearing of trend is the radial direction of the arc of knife rest 1.

As shown in Figure 3, during application, select the cutter of suitable dimension earlier according to the external diameter of bellows, adjusting the position of each directive wheel on support bar and the telescopic location of cutter according to the specification of bellows, directive wheel is slided along corresponding scrobicular ring, when directive wheel was adjacent to mutually with scrobicular ring, cutter can insert the tube wall of bellows.

The design of cutter of the present utility model adopts bow that an external diameter with bellows is complementary as knife rest 1, and in knife rest 1 installation guide wheel units 2, to guarantee that cutter 3 is along circumferential trend in the cutting process, a plurality of guide wheel units 2 are distributed in the both sides of curve forming rest 1, to guarantee the walking stability of whole cutter, and directive wheel 23 can be regulated corresponding to the position of bellows on axially, with the distance between the adjacent scrobicular ring of the bellows that guarantees to be adapted to different size, and knife rest 1 is provided with the handle of being convenient to operate 4, the radially scalable setting of cutter 3 simultaneously, can adjust telescopic location according to the different size of bellows, overall structure is simple, light, easy to operate, good stability is suitable for promoting the use of.

Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims

1. simple and easy bellows cutter, be used for the cutting outside wall surface have separately bulge loop and the bellows of scrobicular ring, it is characterized in that: comprise the curve forming rest that the caliber with bellows is complementary, be arranged on a plurality of for the guide wheel units of sliding along the described scrobicular ring guiding of bellows on the described knife rest, can telescopically be loaded on the cutter on the described knife rest, the scalable direction of described cutter is the radial direction of the arc of described knife rest, described guide wheel units comprises that vertical fixing is installed in the support bar on the described knife rest, the position can be set in the block set on the described support bar with regulating, be arranged on the directive wheel on the described block set freely to rotate, the bearing of trend of described support bar is identical with the direction of axis line of described bellows.

2. a kind of simple and easy bellows cutter according to claim 1, it is characterized in that: described support bar has external screw thread, described block set has internal thread, described block set screw thread is installed on the described support bar, and the end away from described knife rest on the described support bar is provided with for the keeper that described block set is positioned on the described support bar.

3. a kind of simple and easy bellows cutter according to claim 2, it is characterized in that: described keeper is a nut that circumferentially has opening, this opening part is provided with and this opening can be drawn the locking member of little locking.

4. a kind of simple and easy bellows cutter according to claim 1, it is characterized in that: the central angle of the arc correspondence of described knife rest is 90 °-180 °.

5. a kind of simple and easy bellows cutter according to claim 1, it is characterized in that: these described guide wheel units are distributed in the both sides of described knife rest.

6. a kind of simple and easy bellows cutter according to claim 1 is characterized in that: described cutter is installed on the described knife rest position near any one described guide wheel units.

7. a kind of simple and easy bellows cutter according to claim 1 is characterized in that: the handle for holding operation is installed on the described knife rest.

8. a kind of simple and easy bellows cutter according to claim 7 is characterized in that: described handle is installed on the described knife rest position near any one described guide wheel units.

9. a kind of simple and easy bellows cutter according to claim 8 is characterized in that: described cutter is installed on the described knife rest position near described handle.

10. according to any described a kind of simple and easy bellows cutter in the claim 7,8 or 9, it is characterized in that: described handle is direct rod shape, and its bearing of trend is the radial direction of the arc of described knife rest.