A rotating handle capable of realizing engine speed regulation

Abstract

The invention discloses a rotary handle capable of realizing engine speed regulation, comprising an outer sleeve of a handle, an inner tube of a handle and a throttle cable. The outer sleeve of the handle is fixed to a trowel machine base by bolts, the other end of the outer sleeve of the handle is sleeved with the inner tube of the handle, and when a D-shaped locking pin is inserted into a waist-shaped groove A and the D-shaped pin is punched, the entire long handle and the inner tube of the handle can be freely rotated in the outer sleeve of the handle. The throttle cable comprises a steel wire and an outer sleeve, one end of the throttle cable is connected to the engine throttle, and the other end of the throttle cable is connected to the throttle of the engine, and a metal ball is arranged at one end of the steel wire. When the steel wire is clamped into the throttle fixing pin and the long handle is rotated, the steel wire can also be automatically rotated, thereby adjusting the speed of the engine, and an operator can directly control the speed of the engine by rotating the long handle. The problem that the machine operation and the engine speed adjustment cannot be performed at the same time is solved, so that the operator can control the engine speed while controlling the machine.

Description

Technical Field

[0001] The invention relates to the technical field of trowel machines, in particular to a rotary handle capable of realizing engine speed regulation. Background Art

[0002] The trowel is also called a finishing machine. Its main structure is a trowel rotor driven by a gasoline engine, and a trowel is installed on the bottom of the cross in the middle of the rotor. The inclination direction of the trowel is consistent with the rotation direction of the rotor. The gasoline engine is directly connected to the gearbox and drives the trowel to rotate. The surface constructed by the machine is smoother and flatter than the surface constructed by manual labor. It can greatly improve the density and wear resistance of the concrete surface, and improve the work efficiency by more than 10 times compared with manual labor. The floor trowel can be widely used in the slurry, leveling and polishing of the concrete surface of high-standard factories, warehouses, parking lots, squares, airports and frame buildings. . The traditional engine throttle cable is generally fixed on the operating handle. The operator needs to adjust the engine speed by turning the throttle cable handle. The machine cannot be operated and the engine speed cannot be adjusted at the same time. Summary of the invention

[0003] The object of the present invention is to provide a rotary handle capable of adjusting the speed of an engine, so as to solve the problems mentioned in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rotary handle capable of realizing engine speed regulation, comprising a handle outer sleeve, a handle inner tube and a throttle cable; a handle mounting U-shaped block is welded at the end of the handle outer sleeve, a throttle cable fixing block is welded at the middle position of the outer end surface of the handle outer sleeve, and a throttle cable is connected to the throttle cable fixing block; the other end of the handle outer sleeve is sleeved on the handle inner tube, and a waist-shaped groove A and a waist-shaped groove B are arranged on the outside of the handle outer sleeve; a throttle cable fixing block is welded on the front end of the handle inner tube, and a throttle fixing pin has a thread at the bottom that is screwed onto the handle inner tube; a D-shaped pin through hole is arranged on the handle inner tube, and the position of the D-shaped pin through hole and the waist-shaped groove A coincide with each other, a D-shaped locking pin is fixed at the D-shaped pin through hole and the waist-shaped groove A, and a long handle is sleeved on the other end of the handle inner tube.

[0005] Preferably, the handle mounting U-shaped block is provided with a mounting through hole, and a bolt is provided in the mounting through hole, and the handle outer sleeve is fixed to the trowel base by the bolt.

[0006] Preferably, the throttle cable fixing block is provided with a connecting through hole, and a nut is provided on the connecting through hole, and the throttle cable is fixed to the throttle cable fixing block through the nut.

[0007] Preferably, the inner diameter of the handle outer sleeve corresponds to the outer diameter of the handle inner tube, and the inner diameter of the handle inner tube corresponds to the outer diameter of the long handle.

[0008] Preferably, the handle outer sleeve is combined with the handle inner tube, the throttle cable fixing block is vertically welded to the handle outer sleeve, and the throttle fixing pin passes through the waist-shaped groove B.

[0009] Preferably, the waist-shaped groove A and the waist-shaped groove B are located on the same horizontal line, and the throttle fixing pin and the D-pin through-hole are located on the same horizontal line.

[0010] Preferably, the throttle cable comprises a steel wire and an outer sleeve, one end of the throttle cable is connected to the engine throttle, the other end of the throttle cable is connected to the throttle cable fixing block, and a metal ball is provided at one end of the steel wire.

[0011] Compared with the prior art, the invention has the following beneficial effects: the invention is composed of a set of rotating handles, which are used on a small long-handled trowel machine, and the handle outer sleeve is fixed to the trowel machine base by bolts, and the other end of the handle outer sleeve is sleeved with the handle inner tube, and when the D-type locking pin is inserted into the waist groove A and the D-type pin is punched, the entire long handle and the handle inner tube can rotate freely in the handle outer sleeve; the throttle cable includes a steel wire and an outer sleeve, one end of the throttle cable is connected to the engine throttle, and the other end of the throttle cable is connected to the throttle cable fixing block, and a metal ball is arranged at one end of the steel wire. When the steel wire is stuck in the throttle fixing pin, when the long handle rotates, the steel wire can also rotate automatically, thereby adjusting the engine speed, so that the operator can directly control the engine speed by rotating the long handle. The invention solves the problem that the operation of the machine and the adjustment of the engine speed cannot be performed at the same time. It enables the operator to control the engine speed while controlling the machine, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded schematic diagram of the overall structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the overall structure assembly of the present invention;

[0014] Figure 3 It is a schematic diagram of the overall structural installation of the present invention.

[0015] In the figure: 1. outer sleeve of handle; 2. inner tube of handle; 3. waist-shaped groove A; 4. throttle cable; 5. throttle cable fixing block; 6. handle mounting U-shaped block; 7. waist-shaped groove B; 8. D-shaped locking pin; 9. throttle fixing pin; 10. D-shaped pin hole; 11. long handle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The present invention provides a technical solution: a rotary handle capable of realizing engine speed regulation, comprising a handle outer sleeve 1, a handle inner tube 2 and a throttle cable 4; a handle mounting U-shaped block 6 is welded at the end of the handle outer sleeve 1, a throttle cable fixing block 5 is welded at the middle position of the outer end surface of the handle outer sleeve 1, and the throttle cable fixing block 5 is connected to the throttle cable 4; the other end of the handle outer sleeve 1 is sleeved on the handle inner tube 2, and a waist-shaped groove A3 and a waist-shaped groove B7 are arranged on the outside of the handle outer sleeve 1; a throttle cable fixing block 5 is welded on the front end of the handle inner tube 2, and a throttle fixing pin 9 has a thread at the bottom that is screwed on the handle inner tube 2; a D-shaped pin through hole 10 is arranged on the handle inner tube 2, and the position of the D-shaped pin through hole 10 and the waist-shaped groove A3 coincides with each other, a D-shaped locking pin 8 is fixed at the D-shaped pin through hole 10 and the waist-shaped groove A3, and a long handle 11 is sleeved on the other end of the handle inner tube 2.

[0020] Furthermore, the handle mounting U-shaped block 6 is provided with a mounting through hole, and a bolt is provided in the mounting through hole, and the handle outer sleeve 1 is fixed to the trowel base by the bolt.

[0021] Furthermore, a connecting through hole is provided on the throttle cable fixing block 5 , and a nut is provided on the connecting through hole, and the throttle cable 4 is fixed to the throttle cable fixing block 5 through the nut.

[0022] Furthermore, the inner diameter of the handle outer sleeve 1 corresponds to the outer diameter of the handle inner tube 2, and the inner diameter of the handle inner tube 2 corresponds to the outer diameter of the long handle 11.

[0023] Furthermore, the handle outer sleeve 1 is fitted and combined with the handle inner tube 2, the throttle cable fixing block 5 is vertically welded to the handle outer sleeve 1, and the throttle fixing pin 9 passes through the waist-shaped groove B7.

[0024] Furthermore, the waist-shaped groove A3 and the waist-shaped groove B7 are located on the same horizontal line, and the throttle fixing pin 9 and the D-shaped pin through hole 10 are located on the same horizontal line.

[0025] Furthermore, the throttle cable 4 includes a steel wire and an outer sleeve, one end of the throttle cable 4 is connected to the engine throttle, and the other end of the throttle cable 4 is connected to the throttle cable fixing block 5, and a metal ball is arranged at one end of the steel wire.

[0026] Working principle: A handle mounting U-shaped block 6 is welded at the end of the handle outer sleeve 1, and a mounting through hole is provided on the handle mounting U-shaped block 6, and a bolt is provided in the mounting through hole, and the handle outer sleeve 1 is fixed to the base of the trowel machine by the bolt; a throttle cable fixing block 5 is welded at the middle position of the outer end surface of the handle outer sleeve 1, and a connecting through hole is provided on the throttle cable fixing block 5, and a nut is provided on the connecting through hole, and the throttle cable 4 is fixed to the throttle cable fixing block 5 by the nut; the other end of the handle outer sleeve 1 is sleeved with a handle inner tube 2, and the inner diameter of the handle outer sleeve 1 corresponds to the outer diameter of the handle inner tube 2, and the handle inner tube 2 can rotate freely in the handle outer sleeve 1;

[0027] A waist-shaped groove A3 and a waist-shaped groove B7 are arranged on the outside of the outer sleeve 1 of the handle; a throttle cable fixing block 5 is welded to the front end of the handle inner tube 2, and a throttle fixing pin 9 has a thread at the bottom that is screwed on the handle inner tube 2; a D-shaped pin through hole 10 is arranged on the handle inner tube 2, and the position of the D-shaped pin through hole 10 and the waist-shaped groove A3 coincides with each other, and a D-shaped locking pin 8 is fixed at the D-shaped pin through hole 10 and the waist-shaped groove A3, and a long handle 11 is installed at the other end of the handle inner tube 2, and the D-shaped locking pin 8 is inserted into the waist-shaped groove A3 and the D-shaped pin through hole 10. The long handle 11 and the handle inner tube 2 can rotate freely in the handle outer sleeve 1; the throttle cable 4 includes a steel wire and an outer sleeve, one end of the throttle cable 4 is connected to the engine throttle, and the other end of the throttle cable 4 is connected to the throttle cable fixing block 5. A metal ball is set at one end of the steel wire. When the steel wire is stuck in the throttle fixing pin 9, when the long handle 11 is rotated, the steel wire can also rotate automatically, thereby adjusting the engine speed, so that the operator can directly control the engine speed by rotating the long handle 11. The problem that the machine cannot be operated and the engine speed cannot be adjusted at the same time is solved. The operator can control the engine speed while controlling the machine, which is very convenient.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary handle capable of adjusting engine speed, characterized in that: The invention comprises a handle outer sleeve (1), a handle inner tube (2) and a throttle cable (4); a handle mounting U-shaped block (6) is welded to the end of the handle outer sleeve (1); a throttle cable fixing block (5) is welded at the middle position of the outer end surface of the handle outer sleeve (1); the throttle cable (4) is connected to the throttle cable fixing block (5); the other end of the handle outer sleeve (1) is sleeved on the handle inner tube (2); a waist groove A (3) and a waist groove B (7) are arranged on the outer side of the handle outer sleeve (1); a D-shaped pin through hole (10) is arranged on the handle inner tube (2); the D-shaped pin through hole (10) and the waist groove A (3) are overlapped; a D-shaped locking pin (8) is fixed at the D-shaped pin through hole (10) and the waist groove A (3); a long handle (11) is sleeved on the other end of the handle inner tube (2); and a throttle fixing pin (9) has a thread at the bottom thereof and is screwed on the handle inner tube (2).

2. A rotary handle capable of realizing engine speed regulation according to claim 1, characterized in that: The handle mounting U-shaped block (6) is provided with a mounting through hole, and a bolt is provided in the mounting through hole, and the handle outer sleeve (1) is fixed to the trowel base by the bolt.

3. A rotary handle capable of adjusting engine speed according to claim 1, characterized in that: The throttle cable fixing block (5) is provided with a connecting through hole, and a nut is provided on the connecting through hole, and the throttle cable (4) is fixed to the throttle cable fixing block (5) via the nut.

4. A rotary handle capable of adjusting engine speed according to claim 1, characterized in that: The inner diameter of the handle outer sleeve (1) corresponds to the outer diameter of the handle inner tube (2), and the inner diameter of the handle inner tube (2) corresponds to the outer diameter of the long handle (11).

5. A rotary handle capable of adjusting engine speed according to claim 1, characterized in that: The handle outer sleeve (1) is sleeved and combined with the handle inner tube (2); the throttle cable fixing block (5) is vertically arranged on the handle outer sleeve (1); and the throttle fixing pin (9) passes through the waist-shaped groove B (7).

6. A rotary handle capable of adjusting engine speed according to claim 1, characterized in that: The waist-shaped groove A (3) and the waist-shaped groove B (7) are located on the same horizontal line, and the throttle fixing pin (9) and the D-shaped pin through hole (10) are located on the same horizontal line.

7. A rotary handle capable of adjusting engine speed according to claim 1, characterized in that: The throttle cable (4) comprises a steel wire and an outer sleeve. One end of the throttle cable (4) is connected to the engine throttle, and the other end of the throttle cable (4) is connected to the throttle cable fixing block (5). A metal ball is arranged at one end of the steel wire.

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